Which property of water molecules is responsible for movement of water from roots to leaves in a plant?
a. hydrophobicity
b. temperature stability
c. fusion
d. solvent polarity
e. cohesion
ANSWER: e
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The process of evolutionary changes that result in formation of new species and groups of species is called
A. temporal evolution. B. artificial selection. C. macroevolution. D. serial evolution. E. a combination of temporal and serial evolution.
What does the accompanying figure represent?
A) the average energy budget values between male and female sand crickets in low v. medium v. high food environments B) the average energy budget values between long-winged and short-winged crickets in low v. medium v. high food environments C) the average energy budget values for low v. medium v. high food environments in two different species of sand crickets D) the average energy budget values in low v. medium v. high temperature environments for long-winged v. short-winged sand crickets
Amphibians were the dominant animal life during the ________ period.
A. Devonian B. Jurassic C. Silurian D. Carboniferous E. Cambrian
What is the term given to a group of individuals belonging to the same species that live in a defined geographic area that actually or potentially interbreed?
A) population B) consanguinity C) cytogenetics D) genetics E) hybrid vigor