An important role of burrowing animals is:

a. reducing detritus in the sediment.
b. maintaining the structure of marine sediments.
c. nutrient cycling.
d. circulating water near the bottom.


C

Biology & Microbiology

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The ________ joints have no joint cavity and usually do not permit movement. Sutures between skull bones are this kind of joint

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Which type of algae is believed to have generated much of our current petroleum reserves?

A) Chrysophyceae: The Golden-Brown Algae B) Phaeophyceae: The Brown Algae C) Bacillariophyta: The Diatoms

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A single-ring nitrogenous base found in DNA and RNA

What will be an ideal response?

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Which of the following would limit your possible exposure to the Lassa virus?

A) using insect repellant B) not eating bushmeat C) keeping a rodent-free home D) avoiding sexual intercourse E) not eating anything that hasn't been well cooked

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