Answer:
The Food-chain.
Explanation:
For example, animals at the top of the food-chain, in their ecosystem, balance the population. The organisms at the bottom are the producers. Herbivores usually eat the producers which are multiple types of plants. Omnivores and herbivores are prey for the carnivores, but they are also predators to the herbivores. That's all I could really think of... :)
Moral lessons will help a student know the right and wrong and what is good or bad to do in certain situations.
A Group of words that contain a subject and a verb and express a complete thought.
