Gregor Mendel conducted hybridization experiments on around 29,000 pea plants. Peas were an ideal choice for Mendel to use because they had easily observable traits there were 7 of which he could manipulate.
The sentence that describes an example of natural selection would be D. Cheetahs with longer legs are more likely to capture prey.
By osmosis through a partially permeable membrane
its much less dense than the mantle and oceanic crust,etc.