Which group exhibits the longest generation time?
a. bacteria
b. plants
c. animals
d. protists
e. fungi
ANSWER: b
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Which skeletal muscles are contracted during
(a) restful inhalation? (b) inspiratory reserve? (c) restful exhalation? (d) forced exhalation?
Members of the supergroup Amoebozoa are characterized by:
A. locomotion via pseudopodia B. hard shells composed of calcium carbonate C. plastids acquired through tertiary endosymbiosis D. alveoli beneath the plasma membrane E. the presence of a feeding groove
The sharp reduction of the gene pool and the
numbers of a population through a severe epidemic is an example of a. natural selection. b. genetic isolation. c. the bottleneck effect. d. the founder effect.. e. all of these.
In crosses involving complete dominance, the F2 genotypic ratio is 1:2:1 and is expressed as a phenotypic
____________________ ratio (express as x:x). Fill in the blank(s) with the appropriate word(s).