Social Studies, 04.08.2019 23:30, santosbeti90

Natural selection would support the idea that longer-necked giraffes survived because they could more easily gather what

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Biology, 13.07.2019 07:30, daijahamaker062816

Which sentence describes the action of natural selection? an ecosystem contains two types of giraffes, some with short necks and others with long necks. the distribution of this trait is equal among the population. a disease causes low-lying shrubs to die out. the long-necked giraffes can access more food, so they have a better chance of surviving to reproductive age. after several generations, all the giraffes have long necks. the long-necked giraffes can access more food, so they have a better chance of surviving to reproductive age.

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Biology, 14.07.2019 07:00, ShernelQS17

Which sentence describes the action of natural selection? an ecosystem contains two types of giraffes, some with short necks and others with long necks. the distribution of this trait is equal among the population. a disease causes low-lying shrubs to die out. the long-necked giraffes can access more food, so they have a better chance of surviving to reproductive age.

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Biology, 28.08.2019 09:30, sherry59Sherry59

Giraffes were the subject of debate in the early days of evolutionary theory. lamarck believed in acquired characteristics, while darwin believed in evolution by natural selection. which is an accurate match between the author, and how he would explain the long neck of giraffes. a) lamarck believed that giraffes were created with long necks and remained unchanged from their original design. b) darwin believed that giraffes could stretch their necks to reach leaves and then pass this trait on to their offspring. c) lamarck believed that over time, shorter giraffes were starved out and giraffes with longer necks survived to reproduce. d) darwin believed that giraffes with longer necks had a higher survival rate, due to ease of feeding and reproduction, and this is the way giraffes evolved.

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Biology, 17.10.2019 05:00, kaylaaaaaaa86

Which of the following, if true, would argue against long necks being an adaptation in giraffes? a. males compete for the opportunity to mate with females by striking each other. males with longer necks deliver more powerful strikes to their opponents than males with shorter necks. b. long necks allow giraffes to feed on higher vegetation that giraffes with shorter necks cannot reach c. shorter-necked giraffes have more sturdy necks and are more likely to win head-striking contests, winning the opportunity to mate with females. d. longer-necked giraffes are faster and less susceptible to predation

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