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What is the name for the modern era which began approximtely 65 million years ago with the mass extinction of the dinosaurs?
The modern era that began approximately 65 million years ago with the mass extinction of the dinosaurs is called the Cenozoic era. It is also known as the Age of Mammals, as mammals began to dominate the Earth during this time.
How does the Cretaceous-Tertiary extinction relate to the age of Mammals?
The extinction of so many organisms left a large ecological niche to expand into, which mammals did.
How many mammals are threatened?
I'm not sure, but I think about 1, 500 or 2,000
What did the extinction of dinosaurs lead to?
The evolution of mammals
What is the most endangered mammal that lives in water?
Some species of whales (large marine mammals) are most threatened with extinction. The major causes are hunting by humans, damage to their habitats, and a low reproductive rate.
What is the primary hypothesis for the extinction of large mammals such as mammoth?
The primary hypothesis is that they were led to extinction by hunting by humans.
What contributed to the adapted radiation of mammals?
the extinction of most dinosours
Which event is the most likely to cause for the four periods when punctuated equilibrium seems to have occurred?
Extinction events, such as the Permian extinction and the KT extinction event. You have adaptive radiation driving evolutionary change after such events. Google " the rise of the mammals. "
What was the positive result of the dinosaur extinction?
The extinction of the dinosaurs is one of the many events that allowed humans to evolve. After the dinosaurs died out, mammals began to occupy the world they left behind. Mammals grew and diversified, spreading throughout the Earth, and eventually giving rise to humans.
How long ago was the age of mammels?
The Age of Mammals, known as the Cenozoic Era, began around 66 million years ago after the extinction of the dinosaurs. This era continues to the present day, making mammals the dominant terrestrial vertebrates for approximately 66 million years. Therefore, the Age of Mammals is still ongoing and has not "ended."
Are sharks endangered or threatened mammals?
many Shark species are endangered but Sharks aren't mammals. Sharks are fish.
Did early mammals cause the extinction of dinosaurs?
No. By the time the dinosaurs went extinct mammals still played a relatively minor role ecologically. It is generally accepted that an asteroid or comet struck the earth, causing ecosystems to collapse worldwide and resulting the extinction of many groups of animals including the dinosaurs.
