The evolutionary mode in which species evolve rapidly at first and then remain stable for very long periods of time is
called ____.
a. catastrophism
b. uniformitarianism
c. disruptive selection
d. punctuated equilibrium
e. phyletic gradualism
ANSWER: d
You might also like to view...
All of the following photosynthetic pigments are found in red algae except:
a. chlorophyll a. b. phycoerythrin. c. fucoxanthin. d. phycocyanin. e. chlorophyll d
Most other mammals could not survive the extreme environment that whale inhabit. Discuss the adaptations whales have evolved to cope with life in the Arctic Ocean. Include water and heat conservation and salt excretion
What will be an ideal response?
Species richness refers specifically to
a. the numbers of individuals of each species present. b. the ability of larger animals to enrich themselves by successfully preying on smaller ones. c. the number of different species in the habitat. d. the feeding levels at which the animals are located. e. none of these.
What happens when you drink through a straw
What will be an ideal response?