They exhibit contact inhibition
Answer:
compare the DNA of two organisms
Explanation:
Clay because it’s a mixture of dirt and runoff/water
Answer:
Billiard Ball Model
Explanation:
I used process of elimination.
The plum pudding model looks more like chocolate chip ice cream scoop.
As you can probably tell, that is not a solar system model.
It also is not a nuclear model because those look more like the attached file.
Answer:the idea that species change over time, give rise to new species, and share a common ancestor.
Explanation:
to better cope with environment