Evolution

Front

A phenotype that improves an organism’s chance of survival in their environment is considered a(n) ____________.

Back

adaption

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 best describes the phrase survival of the fittest?

Back

those that can survive and reproduce are most successful

Front

Homologous structures and vestigial structures show evidence of:

• divergent evolution
• convergent evolution
• both divergent and convergent evolution
• analogous structures

Back

divergent evolution

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

Comparing human hemoglobin of chimpanzees, horses, kangaroos, and chickens, reveal that humans have the fewest amino acid differences with

Back

chimpanzees

Front

What do mutations bring about?

Back

genetic variation needed for a population to evolve

Front

This mechanism of evolution occurs when populations migrate.

Back

Gene flow

Front

The female birds of paradise tend to look for the most colorful, best dancing males to make babies together. Options: Genetic Drift, Non-random mating, Gene flow, Mutation

Back

Non-random mating

Front

Charles Darwin observed that finches of different species on the Galápagos Islands have many similar physical characteristics. What does this observation support?

Back

descended from a common ancestor.