Which of the following is a domain of life?

A. Eukaryotes
B. Plants
C. Animals
D. Protists
E. Fungi


Answer: A

Biology & Microbiology

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Which of the following is an adaptation to land seen in ferns but not in mosses?

a. vascular system b. alternation of generations c. ovules d. seeds e. spores

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The autonomic division of the PNS regulates the activity of which of these? Select all that apply.

A. smooth muscle of the intestinal wall B. cardiac muscle C. smooth muscle of blood vessels D. salivary glands E. skeletal muscles

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Ecology is best defined as the study of ________

A) the relationships between parasites and their hosts B) the interactions between living organisms and their environments C) plant succession D) interactions between predator and prey populations

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Valium, a prescription drug used to treat anxiety, works by

A) binding and activating acetylcholine receptors. B) preventing serotonin reuptake into neurons. C) increasing the release and availability of norepinephrine and dopamine at synapses. D) activating receptors for GABA.

Biology & Microbiology