No, bigger organisms have more cells.
The more biodisverse the ecosystem it is, the more niches are occupied, and the more resilient it is for issues that can occur, the ecosystem can be more stable
Seasonal changes occur because of earth's tilt
Becausebof he law of conservation of evergy. Evergy can not be created of eliminated, therefore it has to be transfered in this case the energy is transfered from one organism to the otherand this process continues at an endless cycle