Biotic Interactions Within an Ecosystem

Which of the following is most likely a decomposer?

The term “primary consumer” is used to define an organism that

Species that use the same source of nutrition within a food web can best be described as

Which of the following best explains why there are usually NOT more than five trophic levels in a food chain?

Which of the following is an abiotic part of an ecosystem?

Which of the following is true about secondary consumers in an ecosystem?

A biotic relationship within an ecosystem in which both organism benefit is referred to as

Cuckoo and Warbler- A cuckoo may lay its egg in a warbler's nest. The cuckoo's young will displace the warbler's young and the warbler will raise the cuckoo's young. This is an example of

A stable food chain will have a multitude of feeding relationships between organisms.

A cow and grass will have a predatory relationship even though it may not kill the plant it is eating.