Answer:
Explanation:
Adaptive radiation- the diversification of a group of organisms into forms filling different ecological niches.
The extinction of the Dinosaurs during the end-Cretaceous mass extinction allowed mammals to diversify through the process of adaptive radiation.
Adaptive radiation - Evolution of many species from a single common ancestor, relatively fast , this process is called Adaptive radiation.
Example of adative radiation - after the extinction of dinosaurs, the development of mammals.