What is the ultimate response of both populations to the sudden loss of either prey or predators?
a. The equilibrium point is changed.
b. The equilibrium point is not changed and both populations will ultimately return totheir stable equilibrium values
c. The equilibrium point is temporarily changed.
d. None of the above.
b
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Which enzyme is responsible for synthesizing an RNA strand from a DNA template strand?
a. RNA polymerase b. RNA ligase c. DNA ligase d. DNA polymerase
Organisms that preferentially may thrive in icy waters are described as?
a. barophiles b. thermophiles c. mesophiles d. psychrophiles
Which region of the brain is responsible for the intricate coordination of finger movements involved in playing the piano?
A) Cerebellum B) Pons C) Cerebrum D) Midbrain E) Hypothalamus
During development in the mother's uterus, human embryos have pharyngeal pouches (sometimes called gill slits) that later develop into various glands. Fish also have pharyngeal pouches as embryos, but these develop into gills. The best explanation for why human and fish embryos develop pharyngeal pouches is
A. fish evolved from humans. B. humans and fish share a common ancestor that had gills. C. human embryos need gill slits to breathe in the uterus. D. humans and fish both develop pharyngeal pouches by random chance.