Question

Regarding the evolutionary history of biological diversity (cladogenesis and extinction), would you say biodiversity changes are typically rapid or slow?

a) Gradual or punctuated?

b) Give an example of each.

c) In comparison to adaptive radiations per se, what additional process occurs with punctuated equilibrium?

d) What are two hypotheses thought to explain stasis of organisms, particularly those that have not changed substantially over the last 100 million years?

Answer 1