okay! I'm in high school but I wanted to help people and I'm happy to help many if needed.
so the first one should be hypotonic meaning water moving into a cell
second one is cytolysis meaning cell bursting
not sure what the third one is though but I hope this help. :)
Answer:
Mammals first appeared
Explanation:
The dinosaurs became extinct one million years after the Cenozoic era started. The mammals first appeared as the modern culture first appeared in that era.
saturated
D. population
ok
but why? answer pls ????