7th Grade Unit 5 Ecosystems

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

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

A group of organisms of the same species in the same area at the same time is a ________, while all the groups of different species in the same area at the same time is a ______.

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 biome in which trees lose their leaves the autumn producing very fertile soil is called a _______ biome.

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

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 _________.