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More abundant, due to the fact that previously-occupied environmental niches opened up.

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Ferne Streich

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2y ago
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12y ago

Hey did you get this off of a science book? lol cause mine has the same question. Mammals did become more abundant but i cant find why :/

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11y ago

More abundant, due to the fact that previously-occupied environmental niches opened up.

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7y ago

Initially it was less, but the mammals rebounded and became more abundant.

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Q: Why mammals became more or less abundant after the extinction of the dinosaurs and why?
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Related questions

When do small mammals appear in fossil records?

During the KT extinction event the majority of life on earth became extinct. Small mammals, however, were able to survive this mass extinction.


Are ammonites rare?

Ammonites were an abundant group of mollusks during the Mesozoic. However, the K-T extinction event, which wiped out the dinosaurs, was too much for them. They became extinct 65.5 million years ago.


During which era did mammals become common?

Mammals became the dominant land animals in the early Paleocene period of the Cenozoic era, after the extinction of the non-avian dinosaurs at the end of the Cretaceous period of the Mesozoic era.


Is this a valid hypotheses - dinosaurs became extinct because mammals ate all the dinosaur eggs?

Not likely, while it could be a plausible explanation if it had just been the dinosaurs that went extinct it could work. However, the event that killed off the dinosaurs also killed of a variety of other organisms both on land and in the ocean, where mammals had not yet established themselves. A hypothesis that explains the extinction of the dinosaurs, but not the other life forms that died out in the same event, is incomplete.


What is the name of the warm blooded animals that took over after the dinosaurs became extinct?

Mammals .


Did mammals appear in the fossil record after dinosaurs became extinct?

No, mammals lived alongside dinosaurs and their earliest known fossils of about 200 million years old are almost contemporary with the early dinosaur fossils.


Did the impact of a large meteorite cause the extinction of the dinosaurs?

Well, it was an awful long time between the extinction of the dinosaours (about 65 million years ago) until "we" showed up - about 50 thousand years ago. So I think you'd be safe to say their extinction didn't have any effect on us, per se.. However, whatever caused their extinction did lead to the emergence of other types of animals on the planet, mammals being one of them, who may not have prospered so well had they all been eaten by dinosaurs. Despite what some people might think, 'mankind' and 'dinosaurs' never walked the earth together. Except for crocodiles, and perhaps, sharks - they've been around A Long Time, and may be the only surviving link to the age of Reptiles.


When dinosaurs were alive most of the mammals were small after the dinosaurs became extinct mammals evolve in many different forms such as cats and elephants explain how the extinction of dinosaurs ma?

To be able to answer a question we need to know who, how, where, when, when. Your question is more of a statement than a question as well. It is obvious that there is a previous question or passage you were given.Your teacher is looking for your critical thinking skills and how well you understood the lesson. He/she is not looking for our answers.


Why is the Cenozoic era called the age of mammals?

It is the time period when the world started to cool. Reptiles died back and mammals became and still are the most prolific of the animals on the planet.


What has the author S N U Fernando written?

S. N. U. Fernando has written: 'Ceylon soils' -- subject(s): Soils 'How the dinosaurs became extinct' -- subject(s): Dinosaurs, Extinction (Biology)


Can you give an analytical exposition text about the extinction of dinosaurs?

Dnosours became extinct because a large meateorite hit the gulf of Mexico and then killed off the dinosours.


When did mammals become dominant?

Millions of Years Ago65 + Cenozoic Tertiary Paleocene Mammals become abundant| . . . after extinction of| . . . dinosaurs and large| . . . reptiles; by the| beginning of the Eocene60 + rodents and primates| have evolved|||55 +| Eocene Mammals dominant:| . rodents, artiodactyls,| . carnivores, perisso-| . dactyls (including50 + horses); whales make| their first appearance1 MILLION THE REST IS FALSE ;)