After the clearance of wheat field, the growth of wild grasses and weeds is considered as the ecological succession.
What is ecological succession?Ecological succession is defined as the sudden change that is encountered in a particular ecological environment whereby certain species are being replaced by another set of species.
The various stages of ecological succession include the following:
nudation, invasion, competition and coaction,reaction and stabilisation.The various types of ecological succession include the following:
Primary succession: This type of succession occurs when a habitat is being colonized by particular species for the first time.Secondary succession: This is the type of succession whereby the ecological environment is being replaced by another specie after a disturbance like wildfire or deforestation.Learn more about succession here:
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When would competition occur between organisms of different species?
Afterwards, fill in the following blanks:
3. Negative feedback is a control system that helps the body maintain homeostasis
by sending a signal to ____________ a response.
4. ____________ feedback is the type of control system in effect when you feel
hungry and eat.
5. Positive feedback is a control system that sends a signal to ________ a response.
6. Childbirth is another example of ____________ feedback.
The banks should be filled as follows:
3. Negative feedback is a control system that helps the body maintain homeostasis by sending a signal to stop a response.
4. Negative feedback is the type of control system in effect when you feel hungry and eat.
5. Positive feedback is a control system that sends a signal to increase a response.
6. Childbirth is another example of positive feedback.
The types of feedback loop.Generally speaking, there are two (2) main types of feedback loop and these include the following:
Positive feedback loop.Negative feedback loop.What is a negative feedback?A negative feedback loop inhibits or decreases the response by the body system of a living organism. Additionally, an example of a receptor in a negative feedback loop that controls the body temperature of a living organism is temperature sensors that are located on the skin, in order to detect a stimulus.
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Spot phenotype in beans is determined by a single gene. A true-breeding strain of beans with large
spots is crossed with a true-breeding strain with small spots. All of the F1 progeny have both large
spots and small spots. Which of the following terms best describes the relationship displayed by the
large and small spot alleles.
Co-dominance describes the relationship displayed by the
large and small spot alleles.
In genetics, codominance refers to a type of inheritance in which two versions (alleles) of the same gene are expressed separately to produce different traits in an individual. In genetics, codominance refers to a type of inheritance in which two versions (alleles) of the same gene are expressed separately to produce different traits in an individual.
When both alleles show dominance, as in the case of the AB blood type (IA IB in humans), codominance occurs. A trait caused by an allele that is expressed independently and equally with the other. Blood type is an example of a codominant trait; a person with blood type AB has one allele for blood type A and another for blood type B.
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What part is unique to the kingdom Monera?
Answer: cell wall
Explanation:
Which level sets the stage for the overall productivity of an ecological
energy pyramid? Why is this the case?
Bottom level sets the stage for the overall productivity of an ecological energy pyramid.
A graphical representation of the biomass or bioproductivity at each trophic level in a given ecosystem is known as an ecological pyramid. An energy pyramid, also known as a trophic or ecological pyramid, is a graphical representation of the energy contained within an ecosystem's trophic levels. The producers are at the bottom and largest level of the pyramid, and they contain the most energy.
Environmental pyramids are useful because they graphically depict the relationship between producers and consumers. To calculate energy, content, biomass, or population, the organism at that trophic level must be estimated. A trophic level, as opposed to a species, denotes a functional level.
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Help please and thank u!!
please..
EXPLAIN IN DETAIL HOW THE TWO RELATES TO THE CELL THEORY
The following lists components of the nature of science. Explain how at least two of these are related to the cell theory:
Scientific knowledge is durable yet subject to change
Science is a social activity
Scientific knowledge is a body of trustworthy new information about the world that has been gathered via experimentation and data collection.
Two points in the definition of science need to be emphasised. Science is a body of knowledge, first and foremost. It is a method by which knowledge is created, according to the second point. Therefore, a collection of trustworthy new information about the world that has been discovered through experimentation and data collection can be referred to as scientific knowledge.
All of the scientific knowledge we have is a result of our own observations. Because humans are inherently fascinated about many things in the physical world, we try to look into them and discover solutions. The process of organising and evaluating gathered data to potentially explain a phenomenon is known as scientific research. It is carried out precisely and repeatedly in order for empirical data to demonstrate the veracity of the outcomes.
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The diagram shows a food web.
A flowchart. Cycle 1: 1, Grass. 2, Grasshopper. 3, Shrew or Mouse. 4, Fox. Cycle 2: 1, Grass. 2, Mouse. 3, Fox or Snake. Cycle 3: 1, Grass. 2, Rabbit. 3, Fox.
Which is the producer?
grass
grasshopper
mouse
fox
Answer:
a) Grass
Explanation:
Grass is the producer from the above flowchart, other all are consumers. Hence, the option (a) is the correct answer.
Help help help help shebbdbdj
Plants, algae and other photosynthetic organisms use energy from the sun to make their own food using the process known as photosynthesis.
Photosynthesis has two phases in which the synthesis of food is accomplished. The light-dependent reactions and the light-independent reactions. All of these occur in the chloroplast of the cell.
The light-dependent reactions actually captures the sunlight energy and convert it into the usable form of energy by plant like ATP and NADPH. The light-independent reactions then use this chemical form of energy to actually synthesize the food in the form of glucose. Thus, the sunlight energy is very essential to initiate the whole process of photosynthesis.
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Very important, need it asap
Option A. Since the process of photosynthesis makes new energy, the combined energy in the bonds of O₂ and C₆H₁₂O₆ is greater than that in the bonds of CO₂ and H₂O.
In plants, carbon dioxide enters the indoors of a leaf thru pores referred to as stomata and diffuses into the stroma of the chloroplast—the web page of the Calvin cycle reactions, in which sugar is synthesized. These reactions also are referred to as the mild-independent reactions due to the fact they may be now no longer immediately pushed via way of means of mild.
In the Calvin cycle, carbon atoms from are fixed (included into natural molecules) and used to construct three-carbon sugars. This method is fueled via way of means of, and based on, ATP and NADPH from the mild reactions. Unlike the mild reactions, which take location withinside the thylakoid membrane, the reactions of the Calvin cycle take location withinside the stroma (the internal area of chloroplasts).
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What is the purpose of studying radon pollution levels?
A.
to give scientists more information on nuclear decay
B.
to improve air quality and human health
C.
to find underground stores of valuable uranium
D.
to aid in finding a cure for lung cancer
The use of radon studies will help the scientists to get an idea about many scientific ideas. The purpose of studying radon pollution levels is to improve air quality and human health. Correct answer is option B.
What is pollution ?
The level of harmful substances on environment that are causing adverse effects on atmosphere dealing with the harmful effects and their side effects.
To improve air quality and human health the studies of radon to pollution levels will help to study about the air quality and the human health.
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In Mendel's experiment, why did wrinkled seeds show up in the F2 generation,
even though they were not present in the F₁ generation?
A. Seed shape is a non-Mendelian trait.
B. It is not an inherited trait.
C. Wrinkled seeds are recessive.
D. Seed shape is controlled by four genes.
Answer:
C. Wrinkled seeds are recessive.
Explanation:
During F1, one dominant and one recessive allele for a gene resulted in the dominant phenotype.
F2 resulted in a homozygous recessive, which refers to the genotype of an organism with two recessive alleles.
Answer:
c) Wrinkled seeds are recessive.
Explanation:
In Mendel's experiment, wrinkled seeds show up in F2 generation, even though they were not present in F₁ generation because Wrinkled seeds are recessive.
Mendel proved that 25% of the F2 generation is recessive and it cannot be seen in the F1 generation. Therefore, the option (c) is correct answer.
A man with red-green color blindness (XrY). a recessive sex-linked trait, has a child with a woman that is homozygous dominant (XRXR). What is the probability that a child produced from this couple will have red-green color blindness?
a. 100% for male children and 0% for female children.
b. 0% for male children and 100% for female children.
c. 0% for male children and 0% for female children.
d. 50% for male children and 50% for female children.
Answer: A
Explanation:
Answer:
c
Explanation:
Fill in the Blanks!
1) __ species - naturally originated in a given ecosystem and have become suited to the environment conditions there.
2) __ species - Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans.
3) __ species - nonnative species whose presence causes a decline in native populations. They outcompete native species because they have no natural predators or parasites in the new environment l, or they spread new diseases l.
Answer:
1-native species
2- nonnative species
3-invasive species
Explanation:
1- the species originated naturally and are therefore native.
2- the species is not native but was introduced deliberately and is most likely non-invasive
3- invasive species, because the species is threatening native species and widespread making it invasive.
Would a low calcium diet influence the contraction of a muscle?
1) No since sodium is the ion that takes the message into the cell. Calcium is only
important for going into the neuron to cause the release of ACH.
2) No since sodium is the ion that takes the message into the cell. Calcium is not used in the process of muscle contraction.
3) Yes since calcium is needed to uncover the active site on actin so that the cross bridges can form and start the sliding process.
(NEED HELP ASAP AND I APPRECIATE YOUR HELP)
Calcium is important in the process of contraction because calcium is needed to uncover the active site on actin so that the cross bridges can form and start the sliding process. Option C
Is calcium important for contraction?We know that muscles cells do contract and this is how an individual is able to make movement. There are several inorganic elements that play a key role in the process of the contraction of the muscle cells.
A typical inorganic ion which is very key to the contraction of the muscles is the calcium ion. There are several proteins that are involved in muscle contraction and the activities of these proteins are triggered by the calcium ion.
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its correct meaning.
1. criteria pollutants
2. electrostatic precipitator
3. national ambient air quality standards
4. primary standards
5. secondary standards
6. wet scrubber
the six pollutants monitored under
the national ambient air quality
standards; they are carbon monoxide,
ozone, particulates, sulfur oxides,
nitrogen oxides, and lead
air pollution standards aimed at
protecting human health
a pollution control technology that
works by putting a negative charge on
particulates as they enter a smokestack
and then collecting them on a positively-
charged collection plate
establish maximum levels at which
certain pollutants can safely exist in the
air
air pollution standards aimed at
protecting the environment and
buildings
a pollution control technology that
uses a fine mist of water vapor to collect
particulates
mitte
E
Its correct meanings are given below.
1. Criteria pollutants: The six pollutants tracked by the national ambient air quality guidelines are lead, sulfur dioxide, ozone, particulates, and sulfur dioxide.
2. An electrostatic precipitator: is a pollution-control method that collects particles on a positively charged collection plate by applying a negative charge to them when they enter a chimney.
3. National ambient air quality standards: Establish maximum amounts at which specific contaminants can be present in the air without causing harm;
4. Primary standards: The most important requirements are those pertaining to air pollution and human health.
5. Secondary standards: Adequate rules for air pollution that safeguard the environment and structures
6. Wet scrubber: a pollution-control method that collects pollutants using a fine water vapor mist.
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In humans, the presence of freckles (F) is dominant to the absence of freckles (f).
Two heterozygous individuals mate.
What are the genotypes of the two individuals?
What is the probability of them having a child with freckles?.
Since the two individuals are heterozygous, the genotypes they will have for freckles will be Ff for each. The probability of having a child with freckles will be 75%.
Heterozygous refers to the presence of two different forms of the allele for a trait. These two different alleles are actually the contrasting forms of a gene. For example, the trait height can have two contrasting alleles one for tall and one for dwarf.
Genotype refers to the genetic make-up or constitution of an organism. This genetic constitution can be for the entire genome or for any particular trait. The genotype also provides insight about the allelic combinations.
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Which of the
following is NOT
a focus of food
microbiology?
A. preventing food spoilage
B. using microbes in making food
C. curing diseases that can be grown in food this
D. preventing food-borne illnesses
Answer:
c) curing diseases that can be grown in food
Explanation:
"Curing diseases that can be grown in food" is not a focus of food microbiology. Other options are focus of food microbiology. Hence, the option (c) is the correct answer.
A
Intro
C
B
MAN
What level of organization is represented by each
image?
A: blood cells
B:
C
The level of the organization represented by each image is A: blood cells; B: Organ and C: Tissue.
The tiniest component of all living things, cells make up the tissue and organs that make up an organism. The membrane, the cytoplasm, and the nucleus are the three primary components.
A collection of cells with a unified structure and function is referred to as a tissue. The intercellular matrix, a nonliving substance, fills the spaces between the cells.
An organ is a collection of related tissues that provide a specific purpose for a living creature. An organ serves a specialized purpose since it is more complicated than a tissue.
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Answer:
cell
organ
tissue
Explanation:
got it right
NEED HELP PLEASE!!! how do I replicate this DNA sequence ATA-CTC-AAT-CGT-ATG-TGG-CTA-TTC-TAG
Answer: GAT-CTT-ATC-GGT-GTA-TGC-TAA-CTC-ATA
Explanation: I just did it backwards maybe that will help
Which parts are common in all cells ?
Answer: All cells share four common components: 1) a plasma membrane, an outer covering that separates the cell's interior from its surrounding environment; 2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; 3) DNA, the genetic material of the cell; and 4) ribosomes
Explanation:
Which of these pathogens is
MOST LIKELY to infect a human
on the skin or under fingernails or
toenails?
protists
fungi this
Answer:
b) Fungi
Explanation:
Fungi such as Trichophyton rubrum is most likely to infect a human on the skin and under fingernails or toenails. Therefore, the option (b) is the correct answer.
Answer:
The real answer is Fungi.
Help me please Yall I swear this is so anoying
Why humans can't live off sunlight. Shine's experiment received alot of criticism
Answer:
Humans can't live off sunlight (among other reasons)because we don't have chlorophyll in our bodies. Chlorophyll takes the sun's energy and converts it into useable energy for plants to use. Adding energy to anything is not beneficial unless there is a mechanism to convert that energy into a useful form.
What are environmental factors or eco factors
¿What are environmental factors or eco factors?
They are those that affect and influence living beings in their tolerance to different factors.
Environmental, becoming eurioic and stenoic.
Environmental factors, also known as eco factors, are the physical, chemical, and biological conditions that affect living organisms and their surrounding environment.
These factors include things like temperature, humidity, air quality, water quality, soil quality, availability of food and resources, and the presence of other organisms in the ecosystem.
They play a critical role in shaping the behavior and survival of living organisms.
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Question 8 of 10 Which statement best describes the limits of science? A. Science cannot answer questions about the natural world. B. Science can answer any question. C. Science can answer only mathematical questions. D. Science cannot answer questions about what people should do.
Science cannot answer questions about what people should do. best describes the limits of science.
What is science?
Some of the earliest archaeological evidence for scientific reasoning seems to be tens of thousands of years old, and science may be as old as the human species. In the period between 3000 and 1200 BCE, Mesopotamia and Ancient Egypt produced the earliest written records inside the history of science. Greek natural philosophy of classical antiquity, where formal attempts were made and provide explanations of events inside the physical world based on natural causes, was influenced by their contributions to mathematics, astronomy, as well as medicine. The knowledge of Greek worldviews declined in Western Europe during the early Middle Ages (400–1000 CE) following the fall of the Western Roman Empire, but it was preserved in the Muslim world during the Islamic Golden Age as well as later by attempts of Byzantine Greek scholars who brought Greek manuscripts from the waning Byzantine Empire to Western Europe in the Renaissance.
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(01.05 LC)
Which of the following is measured by temperature?
Type of atoms in matter
Type of molecules in matter
Average kinetic energy of particles
Average potential energy of particles
Temperature is a measure of the average kinetic energy of particles, the answer is the 3rd option.
What is thermal energy?Thermal energy is a system or an object's energy as a result of its molecules and atoms moving around. When force is applied to an object, it experiences movement but in the case of thermal energy, it requires heat for a reaction to occur.
Average kinetic energy of atoms is measured by temperature of atoms or molecules in an object or a system. In thermodynamics, the zeroth law states that heat is not transferred when two objects are in thermal equilibrium.
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Which numbered organelle produces ATP during cell respiration?
A 1
B 7
C 9
D 13
f all the kinetochores are not attached to spindle fibers, then what would we likely observe in the cell?
The kinetochores are not attached to spindle fibers, then what would we likely observe in the cell the sister chromatids remain together, delaying anaphase.
The kinetochore is a complicated structure that establishes the attachment of spindle microtubules to chromosomes and is as a consequence essential for devoted chromosome segregation.
The kinetochore performs an critical function in facilitating chromosome segregation at some point of mobile division. This large protein complex assembles onto the centromere of chromosomes and permits their attachment to spindle microtubules throughout mitosis.
The primary difference among centromere and kinetochore is that centromere is the area where the two sister chromatids are held collectively after the replication of chromosome where kinetochore is the protein complicated at the chromosome in which spindle fibers are attached throughout mobile department.
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PLEASE HELP! fill in the blanks
1) __ species - one that is at serious risk of extinction
2) __ species - one that is likely to become endangered soon through all or part of its range.
3) __ species - these have a variety of roles (niches) in an ecosystem as they eat a wide variety of foods, live in a wide range of environments, and are therefore less prone to extinction. Examples: __ and __
4) __ species. - these have specialized diets, live in only a few types of habitats and are therefore more prone to extinction, for example: __
5) __ species - found only in one area and nowhere else in the world.
Answer:
1. Endangered species
2. Threatened species
3. Generalist species Ex: raccoon and American crows
4. Specialist species Ex: Tiger Salamanders
5. Endemic species
No explanation, your question is the explaination.