A ring species is one in which ____
a. a clinal variation occurs
b. all of the various populations can mate successfully
c. an area's climate interferes with speciation
d. none of the various populations can mate successfully
e. only intermediary populations can mate successfully
ANSWER: e
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You planted a seed in a pot with soil, add water, and then placed it in the sunlight in a closed chamber. After the seedling emerged, complete with two green leaves, the carbon dioxide levels decreased in the closed chamber. This indicated that was occurring.
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Using a hand puppet to feed a baby condor is done to promote on condors and prevent to humans.
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