Having paired structures so that the right and left halves are mirror images is referred to as:

1.bilateral symmetry
2.cephalization
3.coelomate
4.pseudocoelomate


1

Biology & Microbiology

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The agency that has published guidelines known as Standard Precautions to reduce the risk of disease transmission in laboratories is:

a. DHEC. b. OSHA. c. CDC. d. EPA.

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Protection of which of the following would least protect the brain from physical trauma?

1.dura mater 2.pia mater 3.arachnoid mater 4.skull

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Oxygen concentration generally plays an important role in regulating respiration:

a. all the time. b. never. c. only when the carbon dioxide concentration falls markedly. d. only when the oxygen concentration falls markedly. e. only when the pH falls markedly.

Biology & Microbiology

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

1. Ecological dominants are typically the top predators in a community. 2. A community is a more inclusive category than a population. 3. Communities with the most biodiversity are found in areas with low geographic diversity.

Biology & Microbiology