Answer:
They are all less-developed or developing former colonies
Explanation:
The Cenozoic is the age of mammals.
It was during the Cenozoic that these lifeforms proliferated:
- Grasses
- Flowering plants
- Birds
- Rodents
- Snakes
Also, Antarctica developed its ice sheet through most of the Cenozoic.
I do not understand? can you post a picture please
Diffusions
Osmosis
Facilitated diffusion
Active transport