The solar energy of the sun is converted into chemical energy by the plants
The control group outs the one that you don't change. The reason you don't change it is because you use it as a comparison with the other groups.
Letter C, the third option.
Explanation
Answer:
In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
Answer - Haploid
Reasoning - During Cell Reproduction Stage it has to go through a faze of splitting and then forming a new individual.