Biology, 04.09.2019 03:10 dogsb4doods
After darwin concluded his voyage on the beagle, he proposed that the process of natural selection was a mechanism for:
a. sexual selection.
b. overpopulation of finches on the galapagos islands.
c. speciation.
d. evolution.
e. artificial selection.
Answers: 3
Biology, 22.06.2019 04:00
Which chemical equation is unbalanced? which chemical equation is unbalanced
Answers: 1
Biology, 22.06.2019 13:10
Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow
Answers: 2
Biology, 22.06.2019 14:30
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
Answers: 2
After darwin concluded his voyage on the beagle, he proposed that the process of natural selection w...
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