7th Grade Unit 5 Ecosystems

Match it! Select the correct answer from the pull down...Good luck!

The giant salvinia plant in Northwest Louisiana is considered a(n) ____________ species because it is not native to this region.

Organisms which make their own food are known as ______, while organisms that consume other organisms for energy are called _________.

The variety of living things in an ecosystem refer to it's ______.

In an s-curve, the population starts off in a lag phase, increases exponentially, then levels off when the population reaches its ______.

A symbiotic relationship in which both species benefit is called

The living factors in an ecosystems are called

An energy pyramid is used to illustrate organisms and energy at each _________ level.

____________ break down dead organic material while ________ consume the carcasses of dead animals killed by another organism.