Biology, 09.11.2019 06:31 rmcarde4432
Many songbirds breed in north america in the spring and summer and then migrate to central and south america in the fall. they spend the winter in these warmer areas, where they feed and prepare for the spring migration north and another breeding season. two hypothetical species of sparrow, a and b, overwinter together in mixed flocks in costa rica. in spring, species a goes to the east coast of north america, and species b goes to the west coast. what can you say about the isolating mechanisms of these two species?
Answers: 3
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The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?
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Many songbirds breed in north america in the spring and summer and then migrate to central and south...
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