Answer:
The Paleozoic involved the appearance of fish, and eventually of life moving onto land. The Mesozoic was dominated by dinosaurs. The Cenozoic started with the extinction of the dinosaurs, and included the development of birds and mammals. ... The Mesozoic Era ended with another extinction.
Have the blood closed at all times with ing vessels of different size and thickness
Eight inches four inches and eighteen inches
Answer:
A mutation.
Explanation: When a cell mutates is will be permanently changed.
Answer:
C. The evolution of many species from a single ancestor over a long period of time