The majority of digestion in the human body takes place in the ____
a. liver
b. mouth
c. large intestine
d. small intestine
e. stomach
ANSWER: d
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What is the function of a polar body?
a. it directs sperm to the urethra b. it provides nourishment to the developing oocyte c. it serves as a nurse cell to spermatids d. it may become a functional oocyte e. it has no function
The distribution of species is rarely determined by minimum and maximum temperature tolerances
Indicate whether the statement is true or false
In a certain breed of chicken, an incompletely dominant gene controls color. The homozygous black (BB), when crossed with the homozygous splashed-white (bb), produces an intermediate gray color pattern referred to as blue. A second gene controls the shape of the comb. The dominant allele (R) produces rose, whereas the recessive allele (r) produces single. A cross between a true-breeding black with a single comb and a true-breeding splashed-white with a rose comb will produce a total of _______ different phenotypes in the F2 generation.
Fill in the blank(s) with the appropriate word(s).
In science, theories tend to be ___________ than hypotheses.
A) more speculative B) less scientific C) more experimental D) broader in scope E) less reliable