Q: Management programs based on population-regulating factors have helped prevent the extinction of many? Choices: - abundant species - keystone species - omnivores - endangered species A:
endangered species
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Q: Adult sea stars have what kind of symmetry? Choices: - hydrological symmetry - skeletal symmetry - biological symmetry - radial symmetry A:
radial symmetry
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Q: The colloquial term "ribbon worm" refers to the mostly marine species of what phylum? Choices: - nematoida - lophophorata - gnathifera - nemertea A:
nemertea
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Q: What is the term for a connection between a neuron and its target cell? Choices: - dendrite - axon - impulse - synapse A:
synapse
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