Answer:Margulis
She is the one who discovered it
Fungi are responsible for what common human ailment athlete's foot infections
Environments are always changing so organisms need to adapt to survive. The organisms that survive are the ones that are fit to live in that environment, which is where survival of the fittest comes into play.
Animals ( or plants ) store solar energy as chemical energy between atoms of their molecules.
For example : ATP is phosphate energy bonds stored by animals in their molecules.
For more stable form animals also store energy in carbon bonds called carbohydrates. The most common e carbohydrates are starch, sugar and fats. Animals have enzymes to convert these forms of energy into actual form which they use for their activities like move, run or fly.