Ecosystem diagrams help us visualize the flow of ___________.

A. matter and energy
B. rivers and streams
C. seasonal change
D. happiness
E. goods and services


Answer: A. matter and energy

Biology & Microbiology

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Botulinum antitoxin produced in a horse and given to a human suffering from botulism food poisoning is an example of

A. naturally acquired passive immunity. B. naturally acquired active immunity. C. artificially acquired passive immunity. D. artificially acquired active immunity.

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If C is dominant to c, what fraction of offspring will be homozygous dominant when two heterozygous parents are

crossed? a. 0/4 b. 1/4 c. 2/4 d. 3/4 e. 4/4

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Impulses are received by nerve cells through

a. an axon. b. any process that is long enough to reach the receptor. c. numerous dendrites. d. the intervention of the neuroglia. e. chondrocytes.

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