A lake is usually _____ and _____ than a pond.

A. larger; deeper

B. smaller; shallower

C. smaller; deeper

D. saltier; warmer

E. larger; shallower


A. larger; deeper

Biology & Microbiology

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Temperature ________ the final equilibrium concentration of a diffusing molecule

a. does not alter b. substantially alters c. always alters d. slightly alters

Biology & Microbiology

Which era saw the rise of seeds and pollen in plants?

A) Precambrian B) Cenozoic C) Paleozoic D) Cretaceous E) Mesozoic

Biology & Microbiology

Reinforcement is most likely to drive the evolution of

A. postzygotic isolating mechanisms, because selection acts after the formation of hybrids. B. prezygotic isolating mechanisms, because selection favors alleles that prevent hybridization. C. prezygotic isolating mechanisms, because selection favors alleles that promote hybridization. D. postzygotic isolating mechanisms, because hybrids have low fitness relative to the parents.

Biology & Microbiology

The majority of defects in human genes are

a. large deletions. b. missense or nonsense mutations. c. large rearrangements. d. mutations affecting splicing. e. small deletions.

Biology & Microbiology