Answer:
Control group
Explanation
In every experiment, we must need a standard or control to compere the other variations or treatments we assay. For example, we want to know the effect of a new fertilizer in plants. We have one group of plants without fertilizer and one group with fertilizer. after a month we see if the fertilizer is effective in promoting growth, we compare the size of the plants with and without if it is effective the plant will be taller than control group.
Answer:
Coevolution
Explanation:
When two or more organisms each evolve in response to each other, we call it coevolution.
Answer:
Explanation:
Membrane bound organelles and eukaryotic
1. sexually
2. 4
3. egg
4. sperm
5. fertilization