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Which of the following BEST describes a gene?
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
When two groups of the same species are separated for a long period of time by mountains, water, or other natural feature, new variations can start to appear in the different groups. This is called _________.
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
You have learned about Kettlewell’s experiments with peppered moths. Kettlewell marked and released dark and light moths in two different environments and then tried to recapture them. What were his results?
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
Marine iguanas have flattened tails and feed on seaweed + algae in the water. Other species of iguanas that live inland on South America have rounded tails. Which of the following best explains the difference in tail shape?
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
The model that described evolution as a slow, ongoing process by which one species changes into a new species is called ___________.
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
Green beetles are well camouflaged. Suppose a mutation occurs in a beetle’s gene. This mutation affects a protein, which in turn results in the beetle having red spots on its back. Which of the following statements BEST describes this mutation?
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
Brown and green bugs are seen in a green leafy environment. You conclude that green beetles are better camouflaged than yellow ones from predators. How do you predict beetle color in this population will evolve over time?
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
You are on a safari in Serengeti National Park in Tanzania. One day, you see a zebra nursing its offspring. The person next to you asks why zebras do that. What is the best explanation for why zebras nurse their young?
Flattened tails are better for swimming than rounded tails
This would be a harmful mutation because it reduces the beetle’s ability to camouflage itself.
geographic isolation
Nursing young is an inherited trait that helps zebras survive and reproduce successfully.
gradualism
Green beetles have a greater chance of surviving and reproducing and will become more common in the population.
In polluted environments, dark moths survived better than light moths.
A gene is made of DNA and contains the instructions for building proteins.
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