The evolution of similar forms in different lineages when exposed to the same selective pressures is
A. referred to as successive homologies.
B. called convergence.
C. called divergence.
D. referred to as descent.
E. also known as natural selection.
Answer: B
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food particles.
a. Hemichordata b. Echinodermata c. Cnidaria d. Arthropoda e. Chordata
Which of the following is an example of migration?
A) frogs leaving a pond after metamorphosis B) hawks finding a new territory after maturing C) seeds dispersing from a tree D) humpback whales traveling up and down the coast of western United States
Who is credited with the discovery of prions as a new biological principle of infection?
a. Anton van Leeuwenhoek b. Dmitrii Ivanowsky c. Stanley Prusiner d. Stanley Brenner e. Carl Woese
A nauplius larva is characteristic of:
a. molluscs. b. gastropods. c. echinoderms. d. crustaceans. e. ctenophores.