A predator is an example of which type of factor?

Which is an example of an aquatic ecosystem?

Organisms in an ecosystem may have interconnected ________________.

Which would most likely occur as food begins to run out in an ecosystem?

Which is the best example of feeding relationship?

What is the original source for all energy on Earth?

Which organism most likely makes its own food?

Which organism can be found at the bottom of an energy pyramid?

Which organism must consume food from another source?

Which is an example of a decomposer?

Which is an example of a producer?