In your backyard you overturn a large rock. In the damp soil underneath the rock, you see various insects scurrying for cover: two black beetles, five black ants, two brown beetles, and three pillbugs. In this community of organisms, relative abundance

favors

A) pillbugs.
B) ants.
C) beetles.
D) pillbugs and beetles equally.


Answer: B

Biology & Microbiology

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Bacteria perform each of the following ecological roles. Which role typically does NOT involve symbiosis?

A) skin commensalist B) decomposer C) aggregates with methane-consuming archaea D) gut mutualist

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The part of gene that directs the synthesis of a specific protein is a(n) ___.

What will be an ideal response?

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The membranes of cells are composed primarily of

A. oils. B. phospholipids. C. steroids. D. triglycerides. E. fats.

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