HWE and Evidence For Evolution

Which of the following best describes a fossil?

• A living organism that shows rapid mutation

• A preserved remain or impression of an organism from the past

• A modern species that has not changed over time

• A chemical used in carbon dating

Homologous structures in different species suggest that the organisms

• Evolved separately in similar environments

• Are completely unrelated

• Share a common ancestor

• Have identical functions for those structures

What type of evidence does the similarity of DNA sequences among different species provide for evolution?

• Fossil evidence

• Anatomical evidence

• Molecular evidence

• Embryological evidence

The fact that whales have tiny pelvic bones is best explained by

• Genetic mutation for swimming

• An adaptation to deep-sea pressure

• An evolutionary remnant from a land-dwelling ancestor

• Their need to balance in water

Which of the following is NOT a source of evidence for evolution?

• Fossil record

• Embryology

• Analogous structures

• Astrology

The similarity in early embryonic development among vertebrates is considered evidence for

• Convergent evolution

• A common ancestry

• Environmental adaptation

• Independent origin

What is an example of a vestigial structure in humans?

• Lungs

• Heart

• Wisdom teeth

• Eyes

Which of the following best describes analogous structures?

• Similar in function and structure, inherited from a common ancestor

• Different in function and structure

• Similar in function but different in structure, evolved separately

How does biogeography serve as evidence for evolution?

• It proves that all species have existed in their current form worldwide

• It shows that animals do not evolve based on environment

• It reveals that species in different regions evolved uniquely due to geographic isolation

• It prevents evolution by keeping populations the same

A population of birds on an island has developed longer beaks over several generations due to the deep flowers they feed on. What type of evidence for evolution does this represent?

• Fossil evidence

• Artificial selection

• Direct observation of natural selection

• Comparative anatomy