The vertebrate lung first appeared in which
organism?
a. fishes
b. amphibians
c. reptiles
d. birds
e. mammals
A
Biology & Microbiology
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Which of the following has the shortest axons?
a. interneurons b. motor neurons c. sensory neurons d. the brain stem
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What is the term for the estimated total availability of organic matter for food?
a. annual biomass production b. above-ground biomass c. net primary productivity d. gross biomass volume
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Single-strand binding proteins prevent the hydrolysis of single-strand regions of DNA by nucleases
__________________ Indicate whether the statement is true or false.
Biology & Microbiology
Homo sapiens is the name of a species. Homo is the name of a genus. Hominidae is the name of a family. Primate is the name of an order. Mammal is the name of a:
a. phylum. b. domain. c. variety. d. class. e. kingdom.
Biology & Microbiology