Which group of organisms has the greatest percentage of species in danger of extinction, according to the International Union for Conservation of Nature (IUCN)?
A) plants
B) mammals
C) birds
D) reptiles
B
Biology & Microbiology
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Humans provide ecological niches for bacterial populations
A. true B. false
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The staggering of the collagen trimmers gives the fibrils a striated appearance in the electron microscope.
a. true b. false
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The first stage in the catabolism of glucose is _____.
a) glycolysis b) the TCA (Krebs) cycle c) atp formation d) the electron transport chain
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Due to differences in girdle design, there are more functional muscle groups in the hindlimb than the forelimb
a. true b. false
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