Toxic substances accumulate through natural trophic flow of an ecosystem.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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Septicemic plague usually causes death before a diagnosis can be made

Indicate whether the statement is true or false.

Biology & Microbiology

Products of aerobic respiration include

(a) glucose. (b) oxygen. (c) carbon dioxide. (d) starch.

Biology & Microbiology

When a species lives in a constant environment for a long time, the "average type" of individual may have the best chance of surviving and producing the most offspring. What type of selection is occurring?

A) Directional B) Sexual C) Stabilizing D) Disruptive E) Artificial

Biology & Microbiology

Antimicrobial agents that damage nucleic acids also affect

A. the cell wall. B. the cell membrane. C. the viral envelope. D. endospores. E. protein synthesis.

Biology & Microbiology