Use the scenario to answer the question.

A student decides to test the effects of watering on plants. She chooses 6 tomato plants and places all of them in the same part of a garden with plenty of space between them. They get the same amount of sunlight and the same amount of fertilizer each day. She gives each plant a different amount of water, with the first plant getting no water and the others getting 200 mL, 400 mL, 600 mL, 800 mL, and 1,000 mL. She records the total height of the plants each day for 3 weeks.

What is the independent variable in this experiment?

Answers

Answer 1

Amount of water would be the independent variable in this case.

What is Independent variable?

An independent variable is a factor that you deliberately change or control to see what effect it has. Variables that respond to changes in the independent variable are called dependent variables. It depends on the independent variable. Independent variables are plotted on the x-axis.

In a scientific experiment, an independent variable is a variable that is altered or under control. It symbolizes the root cause or motivation behind a result.

The variables that the investigator modifies to test their dependent variable are known as independent variables. The dependent variable changes as a direct result of changes in the independent variable.

Therefore, Amount of water would be the independent variable in this case.

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Related Questions

A plant stem's two main functions are to support the leaves and to transport materials
between roots and leaves. As a stem develops, it possesses three types of permanent
tissues: surface tissue, ground tissue, and vascular tissue. The surface and ground
tissues support and give structure to the plant. The vascular tissues are the transport
systems of the plant. The vascular tissues usually exist in one of three patterns and are
known as the phloem and xylem.
Both the xylem and phloem are made up of several different types of cells that make up
transport tubes for needed nutrients. In general, xylem nutrients (sap) travel from the roots
to the rest of the plant. Phloem sap is derived from photosynthesizing leaves and from
there is carried throughout the plant.
What would we be able to study by injecting a nutrient dye into the root of a plant?
A. phloem sap transport
B. pith and cortex cells
C. all vascular tissues
D. xylem sap transport
OE. total plant photosynthesis

Answers

OE. Total plant photosynthesis

The graph shows the line of best fit for data in a scatterplot.


What does the line of best fit indicate about the correlation between the variables?

Answers

Answer: B

Explanation: Trust

*worth 15 points, will give brainliest*

Cystic fibrosis Is a recessive disease that causes damage to the digestive system, lungs, and other organs of the body. Cystic fibrosis is the result of deletion mutations that are inherited from both parents. Which of the sample chromosomes shows an example of a deletion mutation?

RSTUV-XYZ ----> RSTUUV-XYZ
RSTUV-XYZ ----> STUV-XY
RSTUV-XYZ ----> RUTSV-XYZ
RSTUV-XYZ ----> KLRSTUV-XYZ

Answers

If Cystic fibrosis is the result of deletion mutations that are inherited from both parents, then the sample chromosome that shows an example of a deletion mutation is  B. RSTUV-XYZ ----> STUV-XY.

What is a deletion genetic mutation?

A deletion genetic mutation can be defined as an alteration in the genetic material of the cell of an individual associated with the loss of one or more nucleotides in the original sequence.

Therefore, with this data, we can see that a deletion genetic mutation is caused by the loss of nucleotides in the DNA.

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Can someone help me with this

Answers

6.The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is visually represented in a spectrogram.

What purpose does a spectrogram serve?

The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is represented visually in a spectrogram. One can observe how energy levels change over time in addition to determining whether there is more or less energy, for instance, at 2 Hz vs. 10 Hz.

How should a spectrogram be read?

The vertical axis or y-axis of the spectrogram view shows frequency in Hertz, the horizontal axis or x-axis denotes time (exactly like in the waveform display), and brightness denotes amplitude. The sine wave is represented by the bright orange curve while the background is black, which represents silence.

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Please help!

1.) Explain why the term cycle is used to describe the biogeochemical cycles.

2.) Compare and contrast the carbon and nitrogen cycles. Specifically, identify which happens when either exists in very large quantities in the environment.

Answers

1.) The term "cycle" is used to describe the biogeochemical cycles because these processes involve the circulation of elements or compounds through the environment in a continuous loop. For example, the carbon cycle involves the circulation of carbon through the atmosphere, oceans, and land, as it is taken up by plants and animals and then released back into the environment through processes such as respiration, decay, and combustion. Similarly, the nitrogen cycle involves the circulation of nitrogen through the atmosphere, soil, and living organisms, as it is converted from one form to another through processes such as nitrogen fixation and denitrification. The use of the term "cycle" helps to convey the idea that these processes are interconnected and ongoing, rather than being a one-time event.

2.) The carbon cycle and the nitrogen cycle are similar in that they both involve the circulation of elements through the environment, but they differ in the specific elements they involve and the processes through which they circulate. The carbon cycle involves the circulation of carbon through the atmosphere, oceans, and land, while the nitrogen cycle involves the circulation of nitrogen through the atmosphere, soil, and living organisms.

One key difference between the carbon cycle and the nitrogen cycle is the way in which these elements exist in very large quantities in the environment. When carbon exists in very large quantities in the environment, it can contribute to greenhouse gas emissions and contribute to climate change. On the other hand, when nitrogen exists in very large quantities in the environment, it can lead to problems such as eutrophication, which occurs when excess nitrogen in waterways leads to an overgrowth of algae and other aquatic plants. This can lead to decreased oxygen levels in the water, which can harm or kill aquatic life.

Compare the punnet squares you constructed in Activity 4, "Breeding Corn", with the punnet squares you constructed in this activity. By answering the following questions, show how the possible outcomes of a cross for one trait help analyze two traits.

A. How did you need to change the punnet square to consider two traits?

B. How would you need to change the punnet square if you were to consider three traits?

Answers

Punnett squares represent the possible genotypes of the offspring according to the parental's gamete combinations. The number of gametes depend on the number of alleles and traits considered.  A) New rows and columns were added to the square because each parent contributed with four types of gametes (4 rows and 4 columns). B) The square would be constructed with eight rows and eight columns.

What is a Punnett square?

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett squares are composed of columns and rows in which all the different potential gametes are placed.

columns represent one of the parental gametes, and rows represent the other parental's gametes.

The intersection between each column and row suggests a possible genotype among the offspring.

The number of columns and rows will depend on the number of genes involved in the cross. We can use the formula 2ⁿ to figure out how many gametes are possible (2 is the number of alleles, and n is the number of genes). Assuming diallelic genes,

If we consider only one gene, two types of gametes are possible (2¹). If we consider two genes, four types of gametes are possible (2²). If we consider three genes, eight types of gametes are possible (2³)

Punnett squares shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

In the exposed example, we need to compare a punnett square in which we consider only one gene with a punnett square in wich two genes are considered.

From activity 4: Punnett square

Cross: Purple with yellow

Parentals) PP   x   pp

Gametes)   P   P    p    p

Punnett square)

                          P     P

                   p    Pp   Pp

                   p    Pp   Pp

F1) 100% purple kernels, Pp.

Cross: Heterozygous purple kernels from F1

Parentals) Pp   x  Pp

Gametes) P   p    P    p

Punnett square)

                P      p

          P   PP   Pp

          p   Pp   pp

F2) 75% Purple (PP + Pp) and 1/4 yellow kernels (pp)

In these crosses, we only consider one diallelic gene that expresses complete dominance.

Punnett squares are composed of two columns and two rows in which both types of gametes are located.

Now, we need to consider two genes (P and S), which means four alleles are involved and four type of gametes are possible.

Cross: Between two dihybrid individuals

Parentals)        PpSs         x           PpSs

Gametes) PS, Ps, pS, ps        PS, Ps, pS, ps

Punnett square)    

                           PS          Ps          pS          ps

               PS     PPSS     PPSs      PpSS     PpSs

               Ps      PPSs     PPss      PpSs      Ppss

               pS     PpSS     PpSs      ppSS      ppSs

               ps     PpSs      Ppss       ppSs      ppss

F1)

9/16 individuals are expected to express both dominant traits (PPSS, PpSS, PPSs, PpSs)3/16 individuals are expected to express only one dominant trait (PPss, Ppss)3/16 individuals are expected to express the other dominant trait (ppSS, ppSs)        1/16 individuals are expected to express both recessive traits (ppss)  

Now, we need to compare Punnett squares from activity 4 (one trait) with this new Punnett square (two traits), and answer the questions,

A. How did you need to change the punnet square to consider two traits?

Since we consider two traits, we need to add rows and columns according to the possible gametes. The new punnett square must have four columns and four rows (2ⁿ = 2² = 4).

Remember that all the possible gametes depend on the number of possible allelic combinations.

B. How would you need to change the punnet square if you were to consider three traits?

If we consider three traits, we need to construct a Punnett square with eight columns and eight rows (2ⁿ = 2³ = 8).

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what is chromosomes ​

Answers

Answer:

a chrosome is made up of proteins and DNA organized into genes each cell normally contains 23 pairs of chrosomes.

Chromosomes are structures formed by a DNA molecule associated with protein molecules. In prokaryotic cells, we observe a circular chromosome; in eukaryotes, chromosomes are linear and located inside the nucleus.

A student pours a spoonful of dirt into a cup of water. The water and dirt are stirred together. The water turns a light brown color. Some dark pieces float to the top of the cup and another dark layer forms on the bottom of the cup. Which statement BEST describes the contents of the cup?

Answers

The statements described the contents of the cup is that it is a mixture.

What is the cup?

Let us notice that the question that we have here is incomplete but to the best of my ability I would try to explain the concept that is involved here. We know that a mixture would imply any combination of the substances that are not chemically combined together.

We can see that both the water and the dirt are independent substances. They do not mix up at all when we put the dirt in the water. They would continue to be separate from each other although they have been mixed together.

Hence, we can see that putting the dirt and the water in the same place would only lead to the production of a mixture of substances as we have described in the answer stated here.

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Pentane with molecular formula C5H12, exists in three isomeric forms. One shows linear carbon chains, another has one -CH3 groups present on the third carbon atom, and the third has two -CH3 groups present on the second carbon atom. What types of isomers are these?

Answers

Answer: structural isomers

Explanation: In first isomer, it has linear structure . In second one , one methyl group is relocated on third carbon of that linear chain which means the chemical formula of the compound pentane doesn't change but the structure change from linear to secondary to tertiary structure.

2. Which is probably most responsible for the
formation of this landform?

wind

water

plants

animals

Answers

The most likely factor in the creation of this landform is wind. The horizontal movement of air caused by a pressure differential between two locations is known as wind.

What does wind mean in both senses?

Wind is the flow or rush of winds or an air stream, and it corresponds with bend and tend. The metaphorical term "wind" can also refer to a force that drives social or political change. A person who has run out of energy is described as winded. The word "wind" can also refer to a person's breath.

Why does wind exist?

The uneven burning of the Planet by both the sun and also the Earth's rotating motion result in wind, which is the air's movement. Light breaths to natural disasters like hurricanes and tornadoes are all types of winds.

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work from home will have a future impact on urban sprawl?​

Answers

Answer:

Yes, working from home will have a future impact on urban sprawl. Working from home reduces the need for people to commute to their workplace, which in turn reduces the demand for housing in urban areas. This can lead to a decrease in urban sprawl, as fewer people are commuting to urban areas and thus fewer people are in need of housing. Additionally, with fewer people commuting to urban areas, there will be less traffic congestion, leading to a reduction in air pollution.

Explanation:

HELP LIMITED TIME!!!!!!!!!!!!!!!
Which process directly adds carbon into the atmosphere?

Select one:

1, increasing plant populations

2, burning fossil fuels

3, forming sedimentary rock

4, decreasing animal populations

Answers

Answer:

2, burning fossil fuels

Explanation:

When fossil fuels such as coal, oil, and natural gas are burned, they release carbon dioxide into the atmosphere. This process increases the concentration of carbon dioxide in the air, which is a greenhouse gas that can trap heat and contribute to global warming.

HELP LIMITED TIME ASAP!!!!!!!!!!!!!!
Which greenhouse gas do humans release into the atmosphere the
most?

Select one:
1, Nitrogen

2, Water Vapor

3, Oxygen

4, Carbon Dioxide

Answers

Answer: Carbon dioxide

Explanation:Because,Carbon dioxide from the burning of fossil fuels is the largest single source of greenhouse gas emissions from human activities.

Define bilateral symmetry and some special divisions that this type of body plan lends itself to. Give five examples of animals that are bilaterally symmetrical.

Answers

Answer:

Bilateral symmetry is a type of body plan in which the left and right sides of the body are mirror images of each other. This type of body plan lends itself to special divisions such as head, thorax, and abdomen. Examples of animals that are bilaterally symmetrical include humans, fish, frogs, butterflies, and worms.

Explanation:

Answer:

Explanation:

d

mendel found that due to ___, certain traits do not demonstrate independent assortment.

a.linkage
b.crossing over
c.mutation
d.none of the above

Answers

A. linkage

mendel found that due to linkage, certain traits do not demonstrate independent assortment.

Osmosis is the passive transport of what substance

Answers

Answer:

Osmosis is the passive transport of water molecules across a selectively permeable membrane. In osmosis, water moves from an area of high concentration (high water potential) to an area of low concentration (low water potential) in order to balance out the concentration on both sides of the membrane. This process can be observed in living cells, where the membrane surrounds the cell controls the flow of water and other molecules in and out of the cell.

In simple words, Osmosis is a type of diffusion that specifically refers to the movement of solvent molecules through a selectively permeable membrane. It is a fundamental concept in biology and is crucial for the proper functioning of cells and organisms.

Which of the following is not a good method in examining fossils anatomical features of
living organisms?
O a. Homologous structures
O b. Vestigial structures
O c.
Index fossils
O d. Analogous structures

Answers

Answer:

d. Analogous structures is not a good method in examining fossils anatomical features of living organisms.

Explanation:

Analogous structures are physical characteristics that are similar in different organisms due to convergent evolution, rather than being inherited from a common ancestor. While analogous structures can provide valuable information about the environment and adaptations of living organisms, they are not helpful in examining the fossils of ancient organisms because they do not reflect the evolutionary relationships between different species. Homologous structures, vestigial structures, and index fossils are all useful methods in examining fossil anatomy, as they can provide insights into the evolutionary relationships and characteristics of ancient organisms.

The autonomic nervous system is the part of the peripheral nervous system that is responsible for
1. skeletal muscle movement.
2. involuntary bodily functions, such as sweating.
3. light, sound, taste, and smell detection.
4. new cell development.

Answers

the correct answer is 3. light, sound, taste, and smell

Who is promotor of binomial system of nomenclature

Answers

Answer: Linnaeus

Explanation: Linnaeus established the practice of binomial nomenclature—that is, the denomination of each kind of plant by two words, the genus name and the specific name, as Rosa canina, the dog rose.

Photosynthesis is the critical process for life to exist. On Earth, it is certainly the
fundamental biological process that all forms of life rely on. This is a process is
carried out by most plants, algae, and some cyanobacteria. The process has
these organisms take in carbon dioxide, water, and minerals. Then with the help of
sunlight it creates sugars that provide the organism nourishment and life-giving
oxygen.
What is the main idea of the above passage?

Answers

Answer: Photosynthesis is the critical process for life to exist.

Explanation:

The main idea is on the first line.

You can see all the information afterwards are leading to the explanation of the process of photosynthesis.

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examples for classification ​

Answers

Answer: Here are a few examples of classification:

Explanation:

Organizing a library's books by genre (e.g. fiction, non-fiction, children's books, etc.)

Sorting clothing items by size (e.g. small, medium, large)

Grouping types of food based on their ingredients or cooking methods (e.g. vegetarian, vegan, gluten-free)

what type of transport is used for glucose in blood and intenstinal cells

Answers

Both blood and intestinal cells take in glucose by passive transport

If a solution is 8% solute, it is [x]% solvent

Answers

If a solution is 8% solute, that means 8% of it (or 8/100ths) is made up of the stuff you added to it. We know that the whole solution is 100%. Therefore, we need to subtract 8% from 100%, which gives us 92%. We know this is correct since you can't have a less than 100% solution, since it exists wholly.

92% should be your answer.

Which step in photosynthesis does not need light?

Answers

Answer: Dark Reaction

Explanation: Its the second stage of photosynthesis and it does not require light.

What percentage of the population can determine their blood type from
saliva, tears,sweat, or milk? (Numerical answers only) thanks

Answers

About 80% of the population can determine their blood type from saliva, tears, sweat or milk. These are known as secretors, and they refer to the fact that antigens present in the blood can also be found in bodily fluids like saliva.

What are antigens?

Your immune system uses antigens as markers to determine whether or not something in your body is hazardous. Viruses, bacteria, cancers, and healthy bodily cells all include antigens. Antigen testing is carried out to identify viral infections, keep an eye on specific illnesses, screen for them, and ascertain a donor's compatibility with a transplant.

What are secretors?

The term "secretor status" describes whether water-soluble ABO blood group antigens are present or absent in a person's body fluids, including saliva, tears, breast milk, urine, and semen. People are classified as secretors or non-secretors depending on whether they secrete certain antigens in their body fluids.

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evaluate the effects that the harmful substances have on the effeciency of aerobic respiration and how this affects metabolic pathways

pollutants (asbestoos, oxidants)
drugs( ketamine, cocaine)
chemicalsin cigarettes( toxins, tar, nicotine

Answers

The effects would be pollutants dabs toxins

give any character of gene?​

Answers

Answer:

A gene is composed of a sequence of nucleotides, which are the building blocks of DNA. Each gene contains the information needed to construct a specific protein, which performs a specific function in the body. Genes are passed from parent to offspring and contain the instructions that make each species unique.

Explanation:

Adults can best help young children learn movements by

Answers

Adults can best help young children learn movements by Introducing toys that children can push and pull. You can use bright colors can also be helpful.

Ways adults can best help young children learn movements are:Providing  Toys and equipments children can push and pull.Practics some fun games with them eg football.Play the same games repeatedly with them. Learning to take turns is an important social skill best learned through physical play. Stay close by, pay close attention and watch out for risks. Put markings on the floor to increase a child’s physical activity.Provide enough space to run around.ensuring a safe play space and safe toys for the child. When the child is really engaged in play on their own, let them be.

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traditional application of biotechnology​

Answers

Numerous applications of biotechnology exist, including those in medicine, energy production, food processing, waste management, and many others.

Gene therapy, a method to correct genetic defects in an embryo or kid, is a valuable application of biotechnology in the medical industry. Other applications of biotechnology include the usage of various equipment like the ECG and EEG. Similar to energy generation, biomass production falls under the category of biotechnology. Biotechnology is used in enterprises to process food utilizing a variety of scientific methodologies, including engineering techniques. Modern biotech is the controlled manipulation of genes and live tissues to produce new tissue, as opposed to traditional biotech, which uses natural organisms to produce or modify food or other valuable goods for human use.

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list two differences between dominant and recessive trait and what present in plant in F2 generation by around in mental cross between round and wrinkled plant

Answers

A round seed phenotype and the dominant allele for the roundness trait were present in three-fourths of the f2 plants. Dominant covers the trait of recessive.

What is dominant?

An allele is a gene form that can appear as a pair and exhibit either a homozygous or heterozygous phenotype of a characteristic.

Both dominant and recessive forms of the trait can be expressed by these genes. When two organisms are crossed, the F2 generation of the progeny exhibits three phenotypes: homozygous dominant, heterozygous dominant, and recessive.

Therefore, the roundness trait was present in three-fourths of the f2 plants.

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Animals are divided into two groups; vertebrates and invertebrates. Animal classification is a matter of sorting out similarities and differences. This sorting process enables scientists to describe characteristics through the various levels of animal groups and subgroups. Among the most basic criteria by which animals are sorted is whether or not they possess a backbone. This single trait places an animal into one of two groups: the vertebrates (with backbone) or the invertebrates (without backbone). This represents a fundamental division among all animals.What internal structure identifies an organism as an invertebrate? true or false female gains embody fat starting around puberty can result in a cycle of diminished physical fitness write a paragraph defending, refuting, or qualifying William Wordsworth's claim about the value of nature. Use a quote from one of his poems to support your claim OR present one of the quotes as a counterargument, if you are refuting his claim. 1) Alice decides to take a trip from the East Coast of the United States to the West Coast. While planning, she chooses to drive, fly, and ride a train. Her first leg of the trip is traveling by car, from Sacramento, California to Denver, Colorado. Along the way, she fills up her tank using regular unleaded gas, costing $4.65 per gallon, and premium gas, $4.95 per gallon. After driving for many hours, Alice finally makes it to Denver, Colorado spending $874.80 in gas. a) Let r represent gallons of regular unleaded gas and let p represent gallons of premium gas. Create an equation that models the situation. Incorrect but attempt was made (1 pt) Partially correct (2-4 pts) Fully Correct(5 pts)b) If Alice purchases 87 gallons for regular unleaded gas, how many gallons of premium gas did she purchase? Show all work to receive full credit. Provided incorrect answer and no work shown (1 pt) Incorrect answer with work shown or Correct answer with no work shown (2 pts) Correct with partial work shown (3-4 pts) Fully Correct with all work shown (5 pts) A 969 acre wildlife preserve has 19 cheetahs. About how many acres does each cheetah have to itself, if each cheetah roams the same number of acres? Can you visit Japanese internment camps? What is natural selection and give an example? QuestionA hot-air balloon is 1200 feet off the ground and its altitude is slowly changing at a constant rate of 712 feet per second.How many seconds, s, will it take for the balloon to drop to below 310 feet?Drag and drop a symbol and value to correctly complete the solution to this inequality.Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.s Response area Response area What does a travel allowance cover? find xy=\frac{1}{4} x+3 Just then, the jaguar vaulted from the tree, with its massive paws spread out toward me. I had nowhere to run. Enclosing me on three sides were walls of rock. To my left, a steep granite cliff sliced through the dense forest down to the ferocious white water. I had to escape somehow. Sweat beaded on my forehead and dripped into my eyes. I had to make a split-second decision or risk becoming entangled in the jaguar's grasp. How could the author improve this introduction Mrs. Flores drives a car without consciously thinking about every move she makes while driving. This is an example of Those seated on the left of the French National Assembly were Individual that is hybrid For a particular trait contains what ? How do you know if a triangle is right acute or obtuse? Why were mills most often built in the Northeast part of the country? (two reasons) please answer quickly! Why did the Great Compromise and the Three-Fifths Compromise involved ? please answer fast 20 ptsYour friend just returned to the United States from their trip to Nepal and wants to exchange their 9,362 Nepalese rupees for U.S. dollars. How many dollars will they receive if the current exchange rate is 1 U.S. dollar to 124 Nepalese rupees? $11.69 $75.50 $93.62 $105.50 What are the 4 main purposes of text? How does improved technology allow the economy to operate more efficiently?