Biology, 19.09.2019 18:30 tamyrareaves12
Which of the following is not an observation or inference on which natural selection is based? there is heritable variation among individuals. species produce more offspring than the environment can support. only a fraction of an individual's offspring may survive. individuals whose characteristics are best suited to the environment generally leave more offspring than those whose characteristics are less well suited. poorly adapted individuals never produce offspring.
Answers: 1
Biology, 22.06.2019 09:00
What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction
Answers: 3
Biology, 22.06.2019 15:30
Adistinctive characteristic of mammals that is not observed in other vertebrates is
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Biology, 23.06.2019 01:00
(05.01 mc) west indian manatees are large aquatic mammals that live in rivers and near shore estuaries, especially in florida. they have two flexible front flippers with three or four toenails, similar to elephant toenails. though they lack hind limbs, manatees have vestigial pelvic bones, as shown in the diagram. manatee and elephant skeletons are shown side-by-side. the manatee, an aquatic animal, has a skeleton that has two large front limbs and two very tiny hind limb bones that do not form actual limbs. the elephant has four large limbs. which of the following answer choices best describes how evidence of the manatee toenails and pelvic bones supports the scientific theory of evolution of these animals? (1 point)
Answers: 2
Biology, 23.06.2019 06:00
When is the diploid number restored to the zygote? a.when the male and female haploid cells combine b.when the male and female diploid cells combine c.after the zygote is replicated d.when the two zygotes develop into a haploid cell
Answers: 2
Which of the following is not an observation or inference on which natural selection is based? ther...
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