The total living component of an ecosystem is its

A) niche.
B) biotic potential.
C) carrying capacity.
D) biomass.
E) geographic range.


D

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

Four of the five answers listed below are amino acids. Select the exception

a. tryptophan b. valine c. alanine d. adenine e. leucine

Biology & Microbiology