Evolution Quiz

Answer each question by clicking the correct blue button. Only the first answer selected is graded.

1.  A species of frogs has a stickier tongue than some other species of frogs, and it allows them to catch flies better. This stickier tongue is an example of a(n)::
A. Species.
B. Fossil.
C. Radiation.
D. Adaptation.

2.  Which of the following is evidence that all living things have a common ancestor:
A. Mutations occur in all species.
B. Similar embryological development.
C. Organisms live symbiotically
D. All organisms can go extinct.

3.  Phylogeny describes:
A. How living things are related.
B. How certain species have similar physical structures.
C. How DNA sequences have changed over time.
D. How fossils are formed.

4.  According to Darwin's theory of evolution, differences between species may be the result of:
A. The disuse of body structures.
B. The transmission of acquired characteristics.
C. Natural selection.
D. Mutagenic agents.

5.  Two nucleotide sequences found in two different species are almost exactly the same. This suggests that these species:
A. Are evolving into the same species.
B. Contain identical DNA.
C. May have similar evolutionary histories.
D. Have the same number of mutations.

6.   The structural similarities between the flippers of whales and the arms of humans are used to show that the:
A. Human species began life in the oceans.
B. Human species and whales have a common ancestry.
C. Whales are older than the human species.
D. Whales evolved from the human species.

7.   An example of one of Darwin's pieces of evidence for natural selection is:
A. In a litter of lion cubs, some are larger than the others.
B. Mutations occur spontaneously.
C. The deeper in the ground a fossil is, the older it is.
D. DNA sequences can help scientists determine relationships between species.

8.   A modern day example of evolution and natural selection is:
A. The evolution of humans.
B. The evolution of car designs.
C. the evolution of spontaneously generated organisms.
D. The evolution of antibiotic-resistant bacteria.

Grade exam.