What is one way that plants use animals as a defense against herbivores?

A) production of an amino acid that harms herbivores
B) attraction of wasps that kill herbivorous caterpillars
C) release of microbe-killing chemicals in response to infection
D) coevolution between plants and predators


Answer: B

Biology & Microbiology

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Which cycle involves materials moving through a series of transfers from living to nonliving systems and then back again?

A) biogeochemical B) geological C) uranium-lead D) continental

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Which is incorrect about rabies?

A) Wild populations of bats, skunks, raccoons, cats, and canines are primary reservoirs. B) It is a zoonotic disease. C) Transmission can involve bites, scratches, and inhalation. D) The average incubation in humans is one week. E) Symptoms include anxiety, agitation, muscle spasms, convulsions, and paralysis.

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Thiamin, riboflavin, and niacin play an important role in assisting enzymes involved in _____ metabolism

Fill in the blank(s) with the appropriate word(s).

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Which type of muscle is involved in peristalsis in the intestine?

A) skeletal B) smooth C) voluntary D) cardiac

Biology & Microbiology