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Assoli18 [71]
2 years ago
8

Use Diagram A and B to answer the following question

Biology
1 answer:
abruzzese [7]2 years ago
5 0

Answer:

RNA because it is single-stranded and contains the sugar ribose.

Explanation:

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3 years ago
In this example, research in the fields of __________ and __________ are being hindered in the United States.
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Animals such as insects, spiders, reptiles, and birds; many inactive during the hot days
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3 years ago
an innovation among the dicynodonts that allowed them to fill brand new niches. an innovation among the dicynodonts that allowed
Marysya12 [62]

Complete question:

If an increase in dicynodont species diversity (in other words, number of species) occurred soon after the Permian extinction, and if it occurred for the same general reason usually given for the increase in mammalian diversity following the Cretaceous extinction, then it should be attributed to

A) an innovation among the dicynodonts that allowed them to fill brand-new niches.    

B) the availability of previously occupied niches.

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Answer:

B) the availability of previously occupied niches.

Explanation:              

Some species could survive massive extinctions caused by severe natural catastrophes. Some of them were small animals that could hide in certain places that were useful for their protection during the catastrophe. Those animals, that for instance, could hide underground, were able to avoid extreme temperatures and highly toxic gas concentrations caused by the phenomenon. Catastrophes caused severe damage to the Earth´s surface, causing the extinction of many other animal and vegetal species, causing changes in the morphology of the ground, and in temperature. Animals that could survive found themselves in a whole different place. Many niches were now available to be re-occupied. Survivers could specialize in different feeding strategies,  finding new different shelters, and developing new morphological characteristics that lead to a rapid diversification and speciation.

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