Habitat fragmentation can reduce biodiversity by ____
a. withdrawing an essential resource from native species
b. sterilizing for pollution control
c. eliminating vast tracts of forests
d. introducing more native species into a habitat
e. decreasing human use of natural resources
ANSWER: a
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Gout is caused by
a. crystallization of uric acid in the joint. b. excess steroid hormones. c. excess uptake of calcium. d. allergic reaction to seafood. e. none of these.
What statement best describes “biology”?
a. The science of life b. The naming of organisms c. The study of natural selection
d. The measurement of populations e. The study of how organisms are related to one another
Members of phylum ____ are the most primitive of the fungi and were previously classified as protists
a. Chytridiomycota b. Zygomycota c. Glomeromycota d. Ascomycota e. Basidiomycota
An energy barrier
A) is the amount of energy that must be produced by the reactants to end a chemical reaction. B) is higher than the activation energy of a reaction. C) prevents the spontaneous breakdown of molecules in the cell. D) can only be overcome with the use of enzymes.