Common octocorals are the:
a. sea pens.
b. gorgonians.
c. sea anemones.
d. fire corals.
e. sea nettles.
B
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The deep-sea soft-bottom food chain is: ____
a. infauna ? meiofauna ? bacteria b. bacteria ? meiofauna ? infauna c. meiofauna ? bacteria ? infauna d. meiofauna ? infauna ? bacteria
It took more than 100,000 years for the human population to grow to one billion individuals and took about ____ years
to add five billion more. a. 200 b. 20,000 c. 100,000
d. 200,000 e. 500,000
Algae can cause health problems because
A) they are parasitic. B) they inhabit animal tissues preferentially. C) they may produce toxins. D) all of the above are true.
Please match the description to the pattern of infection.
An infection that progresses and persists over a longer period of time; symptoms often less severe A) Acute infection B) Systemic infection C) Localized infection D) Chronic infection E) Secondary infection