Which term refers to structures that are similar to roots and anchor brown algae to the substrate?
a. holdfasts
b. thalli
c. blades
d. stipes
Ans: a. holdfasts
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Capsules are particularly important for
A) making bacteria more vulnerable to host defense mechanisms. B) making bacteria less pathogenic. C) protecting bacteria from host defense mechanisms. D) allowing bacteria to become more phagocytic.
Which of the following drugs acts to block reuptake of neurotransmitters?
a. aspirin b. acetylcholine c. Prozac d. NSAIDS e. nicotine
The buildup of soil on bare rock by the decomposition of early colonizers is characteristic of ________ succession
A) primary B) ecological C) opportunistic D) secondary
An animal found in the rocky intertidal zone has eight overlapping plates and is tightly adhering to the rock with a
muscular foot. This animal is most likely a member of the class:a. Polyplacophora.
b. Cephalopoda. c. Polychaeta. d. Gastropoda. e. Bivalvia.