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
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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
Which type of muscle is involved in peristalsis in the intestine?
A) skeletal B) smooth C) voluntary D) cardiac
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.
Thiamin, riboflavin, and niacin play an important role in assisting enzymes involved in _____ metabolism
Fill in the blank(s) with the appropriate word(s).