Paleobiologists apply the ____ species concept to identify fossilized remains
a. phylogenetic
b. paleontological
c. genomic
d. biological
e. morphological
ANSWER: e
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What raises the pH of chyme so that digestive enzymes can function in the small intestine?
a. bicarbonate b. pepsin c. gastrin d. bile e. brush border enzymes
The three main (abdominal) accessory organs of the human digestive system are the gallbladder, _______
A) liver B) large intestine C) gallbladder D) pancreas E) esophagus
Fraternal twins (dizygotic) result from the fertilization of
A. two eggs and two sperm. B. two eggs and one sperm. C. one egg and two sperm. D. one egg and one sperm. E. two eggs and one sperm OR one egg and two sperm.
________ involves an insufficient amount of several neurotransmitters, such as serotonin, dopamine, and norepinephrine, for extended periods of time
Fill in the blank(s) with correct word