Certain species of parrot cannot be brought to the United States to be sold as pets. What is the name of the legislation that makes this illegal?
a) Red List
b) Migratory Bird Act
c) CITES
d) Endangered Species Act (ESA)
Ans: c) CITES
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What is the most accurate definition of microevolution?
a. heritable changes in the genetics of a population b. natural selection leading to adaptation c. the occurrence of a series of mutations over time d. the origin of new species through natural selection e. the origin of major new forms of life over time
Why does conjugation with an Hfr donor result in a much higher rate of gene transfer than conjugation with an F+ donor?
A) An F+ donor makes fewer pili. B) An F+ donor's T strand is slow to reach the pilus. C) The Hfr donor transfers genes from the chromosome and not the plasmid. D) The Hfr donor segment must undergo recombination in the recipient. E) The F+ donor segment must undergo recombination in the recipient.
Parasitoidism is a form of mutualism
Indicate whether the statement is true or false
The American holly tree requires a "male" tree and a "female" tree to produce red berries in the winter, which indicates that the male flowers lack ________ and the female flowers lack ________
A) sepals; anthers B) petals; carpels C) petals; ovules D) anthers; stamens E) carpels; stamens