Evolution and Natural Selection

Front

Why are advantageous traits more likely to be passed onto offspring?

Back

Because they are more likely to survive and reproduce.

Front

Change over time

Back

Evolution

Front

Structures with the same parts have different functions; suggests that organisms share a common ancestry

Back

homologous structures

Front

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
Options: Fossil A and C are the same age
, Fossil B is older than fossil C, Fossils A is older than fossil B, Fossil D is older than fossil C

Back

Fossil D is older than fossil C

Front

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)

Back

vestigial structure

Front

The ability of an organism to survive and reproduce in its specific environment

Back

fitness

Front

Genetic differences between organisms of the same species

Back

Variation

Front

An error in DNA copying that results in a new trait

Back

Mutation

Front

The study of organisms at their earliest stage of life

Back

embryology

Front

Which structure is shown in the picture?
Options: analogous structure, homologous structure, vestigial structure, DNA

Back

analogous structure