Biology, 24.04.2020 15:19 dragongacha777
. In a hypothetical situation, a certain species of flea feeds only on pronghorn antelopes. In rangelands
of the western United States, pronghorns and cattle often associate with one another. If some of these
fleas develop a strong preference, instead, for cattle blood and mate only with fleas that, likewise,
prefer cattle blood, then over time which of these should occur, if the host mammal can be
considered as the fleas' habitat?
1. reproductive isolation
2. sympatric speciation
3. habitat isolation
4. prezygotic barriers
a. 1 only
b. 2 and 3
c. 1, 2, and 3
d. 2, 3, and 4
e. 1 through 4
Answers: 2
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Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus
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20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.
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Biology, 22.06.2019 07:00
Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome
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. In a hypothetical situation, a certain species of flea feeds only on pronghorn antelopes. In range...
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