What is true for both male and female gametogenesis?
_____ Gametes are produced by meiosis.
_____ Gametes develop in the gonads.
_____ Primary cells are haploid.
_____ Each primary cell results in four gametes.
__X__ Gametes are produced by meiosis.
__X__ Gametes develop in the gonads.
_____ Primary cells are haploid.
_____ Each primary cell results in four gametes.
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The synthesis of ____ is triggered when cells bind systemin
a. gibberellin b. auxin c. jasmonate d. cytokinin e. brassinosteroids
The following are all differences between manatees and dugongs except:
a. fresh and seawater habitat for manatees, dugongs only live in seawater. b. dugongs have a larger head. c. dugongs have a shorter flipper. d. manatees' forelimbs form flippers, dugongs' do not.
__________ begins in an area where there was a preexisting community and well-formed soil
a. Character displacement b. Species richness c. Primary succession d. Secondary succession e. Competitive exclusion
The sodium-potassium pump is an example of:
A) active transport. B) receptor-mediated endocytosis. C) passive transport. D) facilitated diffusion.