Question

1. what is the evidence for the mass extinction of the dinosaurs? 11. after each mass extinction, __________ evolve to fill the habita where old species lived. this is well documented in the __________ millions of years ago 2

Explanation:

For question 10, geological evidence such as the K - T boundary clay layer with high iridium content suggests an asteroid impact which may have led to dinosaur extinction. Fossil records also show a sudden disappearance of dinosaur fossils. For question 11, after mass extinctions, new species evolve to fill the niches of extinct species, and this is well - documented in the fossil record.

Answer:

1. Geological evidence like the K - T boundary clay layer with high iridium content and fossil records showing sudden disappearance of dinosaur fossils.
2. New species; fossil record