The trophic levels that are most seriously harmed by biomagnified pollutants are the lower grazers and producers

Indicate whether the statement is true or false


F

Biology & Microbiology

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Although an exact count is not available, it is likely that the human brain has as many as _____

A) 10,000 neurons B) 500,000 neurons C) 1 million neurons D) 10 million neurons E) 100 billion neurons

Biology & Microbiology

An individual who avoids light is exhibiting

(a) negative phototaxis. (b) positive geotaxis. (c) negative thigmotaxis. (d) positive thigmotaxis.

Biology & Microbiology

Whether an organism is an autotroph or heterotroph depends on its source of nitrogen.

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

Biology & Microbiology

Which is most likely to cause genome evolution in mammals with small population sizes?

A. Purifying selection on synonymous mutations and positive selection on non-synonymous mutations B. Accumulation of synonymous mutations and purifying selection against non-synonymous mutations C. Positive selection on nonsynonymous mutations and accumulation of synonymous mutations D. Purifying selection on synonymous mutations and an accumulation of non-synonymous mutations

Biology & Microbiology