Which is one characteristic of producers? They recycle nutrients. They do not eat other organisms. They break down waste for energy. They use other organisms for energy.

Isotopes of the same element have differ in their

Select the correct answer. what is the observable characteristic of a person called? o a. genotypephenotypeoc. alleleo d. gene

What is a food chain? a. different animals located in different communities b. energy transferred from the sun to plants and then to a series of living things c. rows of crops, such as lettuce, in a field d. animals using one another as food for energy and growth