ABHS Evolution Review

Individual s undergo evolution

• True

• False

A phenotype that improves an organism's chance of survival in their environment is considered

• Natural selection

• Adaptation

• Speciation

Which of the following is NOT an example of natural selection

• Male birds of certain species inheriting colorful feathers that are more attractive to females.

• Insect populations developing resistance to certain pesticides.

• People selectively breeding hamsters for size.

• Bacteria becoming resistant to antibiotics

Eyes that can see in the dark is a(an) _______ inherited by nocturnal animals.

• Adaptation

• acquired trait

• learned ability

• choen trait

How does a species change over time?

• by adapting to the environment

• changes in the gene frequencies in a population

• acquiring new traits

• they do not change

Whales are aquatic mammals that contain a pelvis (hip) bone. Even though it does not aid in its movement, the function must have been used by a common ancestor of the whale. Thus, the pelvis is referred to as a(n)

• Vestigial structure

• Analogous structure

• homologous structure

• important structure

The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ______________ structure. This structures have the same parts but different functions.

• vestigial

• analogous

• homologous

• prehistoric

Many different groups of organisms have wings, even though they do not share a recent common ancestor. This is because they evolved in environments with similar selective pressures. Wings are an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

• prehistoric

Below are the % similarities of DNA between whales and other species. Based on this, which are whales most closely related to?

• Pig, 68.4%

• Hippo, 83.4%

• Mouse, 38.4%

An organism can develop new variations during its lifetime in order to survive in their environment. These acquired traits can be passed on.

• True

• False