Punctuated equilibrium proposed by Eldredge and Gould in 1972 is an evolutionary process that involves
A. gradual change observable in the fossil record with very little, if any, stasis.
B. "spurts" of change observable in the fossil record followed by periods of stasis.
C. gradual change observable in the fossil record followed by periods of stasis.
D. "spurts" of change observable in the fossil record with very little if any stasis.
E. gradual change observable in the fossil record followed by periods of no change at all.
B. "spurts" of change observable in the fossil record followed by periods of stasis.
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Diseases that suddenly become prevalent are referred to as ________ diseases
A) indirect B) emerging C) vector D) common source
You get up in the middle of the night to get a drink of water and stub your left toe on the
dresser. You reach down to rub your toe with your right hand. The sensory input from this activity is received by the __________ side of the brain, and the motor output involved with rubbing your toe is controlled by the __________ side of the brain.
a. right; left b. left; right c. right; right d. left; left
The field of study that focuses on how genes determine an individual's response to a medication is
a. pharmacokinetics. b. pharmacodynamics. c. pharmacogenetics. d. pharmacotherapeutics. e. pharmacoeugenics.
A primary measure of productivity is linked to
A) carbon. B) nitrogen. C) oxygen. D) water.