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Alisiya [41]
11 months ago
10

which statement is true about the evolution of maximum body mass of mammals after the cretaceous-paleogene mass extinction?

Biology
1 answer:
Marrrta [24]11 months ago
6 0

Mammals reached a weight of about 13 pounds within 100,000 years of the extinction event. By 300,000 years after their extinction, they reached a weight of 55 pounds (25 kg), becoming the first purely herbivorous mammalian species. Some mammals weighed more than 110 pounds by 700,000 years after the asteroid.

In the early Paleogene, which was the time after the Cretaceous, it appears from the bones of extinct mammals that they became more terrestrial. According to Professor Janis, the increase in understory vegetation is to blame. "Bushes and shrubs beneath the tree canopy were now a more suitable habitat for these small mammals," she claimed.

Learn more about the Mammals,

brainly.com/question/24110071

#SPJ4,

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<h3>What is cambium and cortex in plant root and stem?</h3>

Cambium is a layer of continuous dividing cells between xylem and phloem tissues which is responsible for the secondary growth of stems and roots. A cortex is an outer layer of a root or stem in a plant, located below the epidermis but outside of the vascular bundles.

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For more details, regarding stem and root anatomy, visit:

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