Biology, 30.07.2019 15:30 josebrown521
Will give - in 1831, charles darwin visited the galapagos islands. while observing the giant land tortoises that lived on these islands, darwin noted that the shape of the tortoise shell varied depending on which island the tortoise lived. tortoises on one island had round shells, for example, whereas tortoises on a neighboring island had more flattened, saddle-shaped shells. which statement best summarizes darwin's explanation for these differences? a) random mutations caused the shape of the shells to fluctuate periodically. b) the shape of the tortoise shell varied because the predators on the islands were all similar. c) the particular shape of the shell was best suited for the island on which the tortoise was living. d) tortoises who used their shells in special ways caused the shells to become larger, rounder, or flatter.
Answers: 2
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Does masterbation affect height growth or loss of growth hormone?
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How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service
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Biology, 22.06.2019 03:30
Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?
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Will give - in 1831, charles darwin visited the galapagos islands. while observing the giant land to...
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