Altruism in animals
a. lowers their chances of perpetuating their own
genes.
b. has no genetic basis.
c. is a conscious effort to preserve the species.
d. is just lucky behavior.
e. includes none of these.
Answer: a
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The secretion of each of the hormones from the anterior pituitary requires:
a. stimulation from the posterior pituitary b. that they first be made in the neurons of the hypothalamus c. neural stimulation from the hypothalamus d. releasing hormones delivered from the hypothalamus via a capillary bed e. changing levels of their hormones in the blood
To which of the following processes is transpiration most analogous?
a. water moving through a water hose b. magnets attracting metal
c. sucking soda through a straw d. a waterfall e. a sponge absorbing a spill
Which carbohydrate, found only in plants, is indigestible by humans?
a. glycogen b. starch c. glucose d. sucrose e. cellulose
Selection that favors altruism directed towards relatives is referred to as ________.
Fill in the blank(s) with the appropriate word(s).