If grasshoppers were removed from this food web, which organism would suffer the most, the bird or the baboon? Explain answer please!!!
Answers
Answer:
The bird, it is smaller and will suffer more quickly but if any organism was removed, the whole food web would be disrupted but the bird will probably suffer more than the baboon.
Explanation:
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HURRY IM ON TIMER
Which statement describes the blood type of a person with the alleles IAi?
It is type AB because I and i are codominant.
It is type AB because A and i are codominant.
It is type A because i is dominant and A is recessive.
It is type A because A is dominant and i is recessive.
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Answer:
C
Explanation:
If your body is capable of making only certain amino acids, how do we get the essential amino acids we need?
Answers
Which organ system is responsible for the movement of water, nutrients, sugar and gases throughout the body?
A. Nervous
B. Circulatory
C. Integumentary
Answers
Answer:
B. Circulatory
Explanation:
The nervous system controls and balances the five senses. The integumentary system is your hair, skin, and nails. That helps the body maintain homeostasis. The circulatory system carries nutrients, oxygen, and hormones to cells and gets rid of waste.
Please help me if you help and get it right ill give you a brainy thing
Answers
Answer:
Ribosomes
Explanation:
which of the following characteristics is true about an organism whose remains formed a good index fossil.
a.) it must be unique orgsnism
b.) it must be an organism that lived all around the world
c.) it must be an organism that lived for a very short time period
d.) all of these characters are important fo an index fossil
Answers
Answer:
d.) all of these characters are important fo an index fossil
Explanation:
Organisms have the characteristics to die and their remains form fossils. A fossil is a preserved remain of a previously living organism. Index fossils are fossils used to tell us more about a particular period. However, before the fossil remains of an organism can be used for this purpose, it must have specific characteristics including the following:
- It must be a unique/distinct species
- It must be geographically abundant
- It must live only a short period of time
Based on these above characteristics of a good index fossil, an organism whose remains must form a good index fossil must possess ALL THE MENTIONED CHARACTERISTICS MENTIONED IN THE OPTIONS.
Answer:
d
Explanation:
Index fossils have to be unique and abundant to be easily identified, abundant means it must be around the world. Index fossils usually live for a short period of time. So D is the correct answer.
Before a cell can divide it must copy one dna_____at a time in a process called DNA replication.
Answers
Answer:
DNA replication is the process by which a molecule of DNA is duplicated. When a cell divides, it must first duplicate its genome so that each daughter cell winds up with a complete set of chromosomes.
Explanation:
Students investigate how onion cells react to salt (NaCl) solutions of different concentrations. They observe onion cells in three salt solutions under a microscope.
The image of an onion cell in a 3% salt solution is shown.
Onion Cell in 3% Salt Solution
Answers
Answer:
Less than 3%
Explanation:
I'm guessing that since the solution has a concentration of less than 3%, the water would go into the cell to maintain which would make it expand.
Onions cells can react in different ways when place in any solution. The image of an onion cell are said to be:
The first image is greater than 3% The second image is greater than 3%.
When the salt water is added to the onion tissue, cytoplasm pulls away in course of time from the cell wall. So, due to that, water begins to leave the onion cell where it was more highly concentrated to the area where it was less concentrated.
Onion cell does not burst when placed in a hypotonic environment due to the fact that it has strong cell wall, which hinders the burst from taking place.
Onion peel often shrinks in salt solution when water from cells cytoplasm moves out of the cell.
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What element is a component of almost all biological molecules (life)? What is the study of this branch of chemistry called?
Answers
Answer:
Caborn is essential to on Earth
i’m very confused on this question so i rlly need help asap
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Answer:
A tall, green plant with dominant alleles for both characteristics have a genotype TTGG and its phenotype is tall and green.
Explanation:
For a given trait, the dominant allele of the allelic pair is represented in capital letters (T and G), while the recessive allele is represented in small letters (t and g).
In the case of this plant, whose phenotype is tall and green —both dominant characteristics— and considered pure because both alleles are dominant, the genotype is TTGG.
In the case of a hybrid, the phenotype would be the same but the genotype would be TtGg. A recessive phenotype would be ttgg.Help please this is my last question it’s question 4
Answers
Help please this is my last question it’s question 4
Answer:
C. Allele
Representative organism Type of symmetry (Radial, Bilateral, or None) Type of skeleton (ENdoskeleton, EXoskeleton, or None) Type of appendages (Jointed, Not Jointed, or Absent) Segmentation (Present or Absent)
Sponges
Cnidarians
Roundworms
Annelids
Mollusks
Arthropods
Echinoderms
Vertebrates
Answers
Answer:
Sponge; Radial Symmetry; Endoskeleton; Absent Appendages; Absent Segmentation
Cnidarians; Radial Symmetry; No Skeleton; Non-Jointed Appendages; Absent Segmentation
Roundworms; Radial Symmetry; No skeleton; Absent Appendages; Absent Segmentation
Annelids; Radial Symmetry; No skeleton; Absent Appendages; Present Segmentation
Mollusks; Bilateral Symmetry; Exoskeleton; Non-Jointed Appendages; Absent Segmentation
Arthropods; Bilateral Symmetry; Exoskeleton; Jointed Appendages; Present Segmentation
Echinoderms; Bilateral Symmetry; Endoskeleton; Non-Jointed Appendages; Absent Segmentation
Vertebrates; Bilateral Symmetry; Endoskeleton; Jointed Appendages; Absent Segmentation
HELP PLEASE ILL GIVE BRAINLIEST
Answers
Answer:
external
Explanation:
Through the process of photosynthesis, plants use the sun's energy to make sugars to function. External means from an outside force, while internal means from within. Since the sun isn't inside a plant, they gather it from outside, thus it's external.
Which process involves mitosis and is used to produce new mushrooms or mold.
A. binary fission
B. sporulation
C. vegetative propagation
D. budding
Answers
Answer:
B
Explanation:
brain pls
1. The histogram below shows the total estimated new breast cancer cases diagnosed in 2003.
Histogram
2. The results in this table below are from a 2007 study investigating BRCA mutations in women diagnosed with breast cancer. All of the women in the study had a family history of breast cancer.
BRCA Mutations in Women Diagnosed with Breast Cancer
BRCA1 mutation
BRCA2 mutation
No BRCA mutation
Total
Number of patients
89
35
318
442
Average age at diagnosis
43.9
46.2
50.4
Preventive mastectomy*
6
3
14
23
Preventive oophorectomy*
38
7
22
67
Number of deaths
16
1
21
38
Percent died
18
2.8
6.9
8.6
*A mastectomy is the surgical removal of one or both breasts, either partially or fully. An oophorectomy is the surgical removal of an ovary or ovaries.
Things to address in your summary essay:
Describe how mutations lead to genetic variations.
Which appears to be more dangerous: the BRC1 or BRC2 mutation?
Analyze a woman’s risk of dying of cancer if she carries a mutated BRC1 gene.
How do heredity and inheritance relate to the data presented in these charts?
What data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries?
What does the age at diagnosis tell you about the mutation?
Explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.
Answers
Answer:
Explanation:
Mutations are effectively errors in the DNA copying or transcription processes. They can occur naturally or be caused by mutagens, either chemical such as benzene or environmental such as ultraviolet light. These mutations concern the basses on DNA and can be as small as one base changing to another or as complex and detrimental as the insertion of a new base along the strand. Such mutations can drastically change the proteins created by an organism and affect entire chromosomes or genes. Some mutations that affect gametes can be passed down from parent to offspring and are called germline mutations. Such mutations can create entirely new alleles and increase a populations genetic variation. One such genetic mutation that occurs in humans in cancer. Cancers are errors in a cells DNA caused by mutations that allow the cell to grow and multiply uncontrollably copying the mutated DNA along the way. One specific type of cancer is breast cancer. Breast cancer has two different types of mutations. There are the BRCA 1 and 2 varieties. According to the charts, the BRCA 1 mutation appears to be more deadly. If a woman carries the BRCA 1 mutation, she has, once again according to the chart, an 18 percent chance of death. All of the women in the table above had a family history of cancer. This would point to the fact that cancer can be passed down as well as contracted from a certain type of mutagen known as a carcinogen. The table also references preventative surgeries in a number of women carrying both the BRCA 1 and 2 mutations as well as some without either. Unfortunately, given the data shown, it is impossible to determine the effectiveness of such procedures. To be able to judge this, data about the survival rates of women who underwent the procedures versus those who did not would be required. The bar graph above the chart also mentions ages. It shows that the numbers of cases of breast cancer increase rather quickly until ages 50-59 and then steadily and slowly decline. Most breast cancer cases occur in women 50-59 years old. This tells us that the mutation takes quite a few years to manifest as it is a genetic mutation and is furthered by the sufferers decreased ability to fight off carcinogens with age. If cancer can be removed by surgeries or by the death of the afflicted, why does it still exist in our population? The answer is simple. Cancer can be passed on hereditarily but that is not the only way for it to be contracted. Carcinogens that exist as chemicals or as environmental factors are present everywhere and can mutate one’s DNA and therefore genes. This can then be passed on to offspring as well.
Genetic variations occur as a result of recombination and mutation. Variations enable organisms to adapt to environmental conditions.
What do you mean by genetic variations?Genetic variations can arise from gene variants (also called mutations) or from a normal process in which genetic material is rearranged as a cell is getting ready to divide (known as genetic recombination).
The genetic diversity has three different sources: mutation, recombination and immigration of genes. Mutation is the driving force of genetic variation and evolution.
Genetic diversity is important because it gives species a better chance of survival. However, genetic diversity can be lost when populations get smaller and isolated, which decreases a species' ability to adapt and survive.
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14. Which of the following correctly lists the levels in an ecosystem from largest to smallest?
a. Ecosystem, community, population, individual
b. Community, ecosystem, population, individual
C. Population, ecosystem, individual, community
d. Ecosystem, population, community, individual
Answers
Answer:
(a) Ecosystem, community, population, individual
is right answer I think
14. Offspring of prey are more likely to be _because of predation. A. smaller in population size. better adapted to the environment C. eaten and causing the species to be on the verge of extinction. D nonexistent
Answers
Answer:
C. eaten and causing the species to be on the verge of extinction.
Explanation:
They are small, and easy to catch. A simple (but sad) meal if you ask me.
~PumpkinSPice1
Create an example in which a mutation entered the gene pool and due to predator pressure. Becomes predominate. For example, think about how the color of the Peppered moths during the industrial revolution changed. The moths were light in color, but due to all the pollution from industry the trees they lived on turned dark making the light moths an easy target for birds. The moths with the mutation for dark color were able to blend with the darker bark and survived. These dark colored moths passed their genes on to their offspring and over a relatively short period of time most of the moths became dark. When the pollution decreased, the lighter colored moths predominated once again.
*Write a paragraph or so it can be a little under. Ill give you brainiest.*
Answers
Answer:
The population of light colour Peppered moths decreases and dark Peppered moths increases.
Explanation:
During the industrial revolution, the population of light colour Peppered moths decreases and dark Peppered moths increases because due to industrial revolution, air pollution increases which spreads a black dust on the trees and as a result the light colour Peppered moths can easily be seen in the dark by its predator and feed on them while dark colour Peppered moths can't be seen in the dark so the predator is unable to feed and as a result the population of dark colour Peppered moths increases.
Which phrase best describes the dorsal nerve cord?
Answers
answer: D
explanation: i took the test and chose the wrong answer and this was the answer :)
the process that uses carbon dioxide but not light energy to make sugars is called _____.  a. hydrolysis  b. chemosynthesis  c. digestion  d. respiration
Answers
Answer:
D. respiration
Explanation:
It is basically a process that takes place in the cells of organisms. It converts chemical energy from oxygen molecules or even nutrients into ATP.
Hope this helped!
Answer:
b
Explanation:
I think I'm not sure I tried to reaserch
1. A certain atom has a nucleus containing five protons and six neutrons and has five
electrons orbiting the nucleus.
This atom is a form of the element...?
Answers
Answer:
Boron
Explanation:
The element Boron has five electrons , five protons and six neutrons. Its electron arrangement is 2:3
Why does chewing food speed up digestion? *
Bacteria in the food are killed.
O Foodis mixed with protease.
O The surface area of the food is increased.
O The taste of food is improved.
Answers
Your neighbour wants to get a Christmas tree for decoration but has difficulty distinguishing between a Conifer and Bryophyte. Give THREE characteristics to help your neighbour to choose the right tree for her decoration.
Answers
Answer:
Three characteristics of conifer tree
(1) the leaves of conifer trees resemble niddles
(2) the leaves provide the key to identifying conifer trees
(3) conifer trees do not produce flowers
Three characteristics of Bryophyte
(1) Bryophyte is also called Amphibians of plant kingdom
(2) Their sporophytes are unbranched
(3) Dicotomous branching
What is insulin and why do people with Type 1 diabetes need it to survive?
Answers
Answer:
Insulin is needed to move blood sugar (glucose) into cells. Inside the cells, glucose is stored and later used for energy. With type 1 diabetes, beta cells produce little or no insulin.
How are two organisms who descend from the same common ancestor related?
a.)geographically
b) slightly
c) distantly
d) closely
Answers
Answer:
d i think, Hope this helped.
Explanation:
Answer:D
Explanation:
What is the autotroph and herotroph for photosynthesis
Answers
A J-shaped curve is called a(n) _______. a. logistic growth curve b. exponential growth curve c. linear growth curve d. population growth curve
Answers
Answer:
b exponentail growth curve
Explanation:
just took the test
Answer:
BExplanation:
is the answer.
PLEASE HELP! Need this today ASAP!
Seismograms record the forces of earthquakes. How do these seismograms help scientists learn about the composition of the Earth?
(My teacher asks for a minimum of 5 sentences)
Answers
Explanation:
Earthquake waves produces two very important waves that useful in studying the composition of the earth.
These waves are P and S-waves.
P-waves are primary longitudinal waves that propagates through any material medium. S-waves are secondary transverse waves that can only pass through solids but not fluids.Using these waves we can know the composition of the earth.
where do the small molecules like water pass through the membrane?
Answers
Answer:
Water is transported across the membrane by the aquaporin (AQP) family of passive channels.
Explanation:
ok is that the answer you are looking for?
HELP ASAP!!
Which of the two processes, photosynthesis or cellular respiration, is exergonic or endergonic?
Answers
Hey I just want to give back to the community for helping me up to expert. U dont have to answer the question but its hear for fun. Why do people shrink when the get older?
Answers
Answer:
Reynolds Institute on Aging, says that we can shrink for several different reasons. “Older adults can get shorter because the cartilage between their joints gets worn out and osteoporosis causes the spinal column to become shorter,” he says. “Adults can also lose lean muscle mass but gain fat
Explanation:
thx for points!!!!!!!!!!!!!!
Answer:
“Older adults can get shorter because the cartilage between their joints gets worn out and osteoporosis causes the spinal column to become shorter,” he says. “Adults can also lose lean muscle mass but gain fat. This is a condition called sarcopenia.”