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Alecsey [184]
3 years ago
14

What's the primary reason that mammals and avian dinosaurs thrived in the Paleogene period? A. Plants developed as the main food

source for these heterotrophic organisms. B. Their predators had been killed off by the Permian extinction. C. Their predators had been killed off by the Cretaceous-Paleogene extinction. D. The earth significantly warmed, and cold-blooded animals couldn't survive.
Biology
2 answers:
antoniya [11.8K]3 years ago
4 0

Answer:

I think that it might be A

Explanation:

Inessa05 [86]3 years ago
3 0

Answer:

The correct answer is option B, that is, their predators had been killed off by the Permian extinction.

Explanation:

The avian dinosaurs and the mammals were small creatures, living under the pump of the dinosaurs that reign the world, however, also were ceasing the further enhancement in the development and the size of these species. At the termination of the Cretaceous era, due to the colliding of an asteroid on the Earth, all the dinosaurs got wiped out from the Earth's surface, with the only remaining one of the species of dinosaurs were the small avian species.  

Due to the opening of lots of niches, the avian dinosaurs and the mammals briskly began to diversify, evolve, and become much bigger in size. The mammals won the race for supremacy and they became the most prevailing species on the Earth.  

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tester [92]

Answer:

Primatology

Explanation:

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Primatology approximation seems to be each time more interdisciplinary, abording it from both the Biological Sciences and the Social and Human Sciences. Different social areas are involved, such as philosophy, anthropology, psychology, among others.

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Alona [7]

Answer:

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Explanation:

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Kohlberg was mainly interested in the reason behind the decision related to the moral dilemma than they are right or wrong. He found that logic of reasons tends to change with an increase in age.

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[HELP!! Giving 40 points]
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B.) (same as first)

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