Spawning animals rely on mating behaviors, chemical signals, and/or environmental cues for reproduction to take place
Indicate whether the statement is true or false
TRUE
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What has occurred to bring about this specialtion?
A storm blows a small group of migrating birds off course and they land on an island too far from the mainland for them to fly back on course. The birds remain on the island for 100 generations when a second storm blows more birds from the mainland to the island. The new birds cannot mate with the established birds, even though they are originally from the same population. A. Genetic drift. B. Doubling of chromosome number in the mainland birds. C. Geographical isolation resulting in reproductive isolation. D. Development of a reproductive isolating mechanism dealing with sperm count. E. All of these.
An acoelomate is an animal that:
A. has a coelom B. has a pseudocoelom C. has both a coelom and a pseudocoelom D. has neither a coelom nor a pseudocoelom E. has a coelom during early development but later loses it
If cornmeal agar is set up and chlamydoconidia are produced, the organism is most likely:
a. C. krusei. b. C. glabrata. c. C. albicans. d. C. tropicalis.
Differential survival and reproduction of individuals of a population that vary in the details of shared traits is called
____________________. Fill in the blank(s) with the appropriate word(s).