Aposematic, or warning coloration, serves to protect an animal or plant by signaling to potential ________ to stay away.
A. rivals
B. predators
C. competitors
D. mates
Answer: B
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Compared to asexual reproduction, the main advantage of sexual reproduction is that it
A. requires less energy B. increases the genetic diversity of the offspring C. can produce more complex offspring D. can produce a greater number of offspring
True-breeding, purple-flowered pea plants were crossed with true-breeding, white-flowered pea plants. The F1 progeny all had purple flowers. If the F1 offspring are self-fertilized, what progeny phenotypes would be expected?
A. 1 purple : 2 pink : 1 white B. 3 white : 1 purple C. 3 purple : 1 white D. all purple E. all white
G proteins are inactivated when ____
a. GDP is converted to GTP b. GTP is converted to GDP c. the G protein rebinds the receptor d. the G protein is released from the receptor e. the receptor is broken down
Which of the following U.S. Supreme Court decisions struck down laws prohibiting the teaching of evolution?
A) The State of Tennessee v. John Thomas Scopes, 1925 B) Epperson v. Arkansas, 1968 C) Edwards v. Aguillard, 1987 D) Tammy Kitzmiller, et al. v. Dover Area School District, et al., 2005