Answer:
controlled the fertilization process.
Explanation:
Mendel took precautions to avoid contamination by pollen through self pollination of the P generation. He controlled the fertilization processes between the plants. He self pollinated the first pureline varieties to form the P generation. He then cross pollinated them to get F1 generation. Every step of his experiment was controlled.
The answer is A. def- of a plant or animal) native or restricted to a certain country or area.
"a marsupial endemic to northeastern Australia"
Photosynthesise. They take in carbon and use it to make glucose and oxygen.
