The community would start to fall apart. For example, with no flowers, there are no bees. With no sun, there are no flowers.
Another example is if there are no fish, there is nothing for the bears to eat. No bears, and the bunnies and other small animals would overpopulate.
Metabolism gives it the energy to chase the jackrabbit.
Answer:
The sun, which drives the water cycle, heats water in the oceans. Some of it evaporates as vapor into the air. Ice and snow can sublimate directly into water vapor.
Explanation:
Healthy Ecosystems I believe