The total living component of an ecosystem is its
A) niche.
B) biotic potential.
C) carrying capacity.
D) biomass.
E) geographic range.
D
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An oak tree can support hundreds of beetles, caterpillars and other primary consumers. This is an example of
A. a pyramid of biomass. B. excessive levels of primary production. C. an unusually diverse group of primary consumers. D. primary parasitism. E. an inverted pyramid.
Which of the following is often called the body's thermostat?
a. the pituitary b. the hypothalamus c. the thalamus d. the corpora quadrigemina e. the medulla oblongata
During what process are hypochlorite and hydrogen peroxide produced in order to destroy bacteria and inhibit viral replication?
A. Lysozyme production B. Interferon production C. Complement production D. Inflammation E. Phagocytosis
Four of the five answers listed below are amino acids. Select the exception
a. tryptophan b. valine c. alanine d. adenine e. leucine