Scientists once believed that tyrannosaurus rex dragged its tail along the ground. today, they know that t. rex did not drag its tail but held it aloft, above the ground. this change in scientific consensus happened because scientists liked the idea that t. rex held its tail aloft better. no one supported the idea that t. rex dragged its tail on the ground. the idea that t. rex held its tail aloft is an emerging idea that replaced the old idea. the idea that t. rex held its tail aloft was supported by the studies of many scientists.
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Biology, 22.06.2019 01:30
Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.
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Biology, 22.06.2019 08:00
Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of
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Biology, 22.06.2019 19:30
Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.
Answers: 2
Scientists once believed that tyrannosaurus rex dragged its tail along the ground. today, they know...
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