The foramen ovale functions to:
a. permit blood to bypass the non-functional lungs in a fetus.
b. establish the basic heart rate.
c. prevent blood from flowing backward.
d. carry blood to the lungs in a fetus.
e. transport poorly oxygenated blood.
a
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The first major divergence after the evolution of the first cells was the split between ________ and ________
a. prokaryotes / a common ancestor of archaeans and eukaryotes b. prokaryotes / eukaryotes c. archaeans / a common ancestor of prokaryotes and eukaryotes d. prokaryotes / archaeans
Choose the hormone that is NOT correctly matched with the endocrine gland that secretes it.
A. adrenal cortex—aldosterone B. pancreas—insulin C. pineal gland—melatonin D. adrenal medulla—cortisol E. posterior lobe of pituitary gland—oxytocin
The direction of an exergonic reaction can best be describe as moving:a
from higher to lower entropy.
b. from lower to higher free energy. c. from higher to lower free energy. d. from higher to lower absolute temperature. e. from lower to higher absolute temperature
Which situation would represent a trade-off between survival and reproduction?
A. The production of many offspring results in smaller offspring. B. Mating activity and egg production reduce the longevity of both sexes. C. All listed D. Human parents have less sleep and higher rates of disease infection than nonreproductive individuals. E. Survival to greater age comes at the expense of early reproduction.