Why must organisms that spawn release huge numbers of eggs and sperm?
What will be an ideal response?
Spawning depends on releasing eggs and sperm into the environment and hoping they meet. The odds are not in favor of this meeting occurring, so large numbers of eggs and sperm are produced to increase the likelihood that some will meet.
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Different ABC transporters can transport
A) ions. B) sugars. C) amino acids and peptides. D) polysaccharides. E) All of the above are correct.
Stone tools were first used by
a. Homo erectus. b. Homo habilis. c. Australopithecus afarensis. d. Homo floreiensis. e. Neanderthals
Human are only one species of many different primates that prefer to walk upright on two legs
Indicate whether the statement is true or false
Alcohol reduces ADH secretion which in turn does which of the following?
What will be an ideal response?