Which of the following describes an interaction in which one organism kills and eats another?

The nonliving parts of an ecosystem are called

All the different POPULATIONS that live together in an area make up a(n)

Which of the following would be included in a drawing that BEST describes an ecosystem?

The study of how things interact with each other and with their environment is called

Which of the following is an example of a population?

What type of organisms must be most plentiful (available) in an ecosystem?

If one species is helped, and one is NOT affected, what is the relationship?

When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is the:

A close relationship between two species that benefits BOTH species:

When a flea is living on a dog, the flea is the:

Mutualism, commensalism, and parasitism are the three types of

Warthog and Mongoose: The mongoose eats the ticks off the warthog and the warthog becomes clean of ticks. This is an example of