Evolution and Natural Selection

Front

Do individuals undergo evolution?

Back

False

Front

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

Back

adaptation

Front

How does a species change over time?

Back

changes in the gene frequencies in a population

Front

The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) ______________ structure.

Back

vestigial

Front

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.

Back

homologous

Front

Wings are an example of a(n) ______________ structure in organisms that evolved in similar environments without a recent common ancestor.

Back

analogous

Front

Which does NOT cause genetic variation?

• crossing over in meiosis
• mutations
• traits acquired during lifetime

Back

traits acquired during lifetime

Front

% similarities of DNA between whales and other species: Pig (68.4%), Hippo (83.4%), Mouse (38.4%). Which are whales most closely related to?

Back

Hippo

Front

Which best describes the phrase survival of the fittest?
Options:

strongest in a population are most successful

,

fastest in a population are most successful

,

those that can survive and reproduce are most successful

,

those that can live the longest are most successful

Back

those that can survive and reproduce are most successful

Front

What does Darwin's theory of evolution suggest? Options: species change over time, extinct species are not related to living species, different species can interbreed, animals that look alike are most closely related

Back

species change over time