I am pretty sure it is glycogenesis<span>. Please tell me if I'm wrong.</span>
Answer: The food chain
Explanation: It is important to have a large number of producers and herbivores in an ecosystem because of the food chain. Without producers the herbivores would have no food. and without the herbivors the carnivores would have no food.
It can affect the pet and it's health.
The ozone layer is a protective gas around the earth which protects the planet and all the living things on it :-)