Ecology Test 1

The two land biomes that receive the LEAST amount of precipitation are _____.

An organism that CANNOT make its own food is a(n) ____?

The producers shown in the food chain are____?

Look at the food web. On which trophic level is the dragonfly?

An estuary is made of ______.

Plants are ___?

On a food web, the arrow indicates ______.

Coral reefs and kelp forests are found here.

When members of the same species live in one area it's called a(n) ____?

A shark that eats a fish that has eaten a minnow that feeds on algae is a(n) ______.

Which one is NOT a biotic factor in the environment?

Herbivores eat _____.

Which biome has a rich mix of grasses, fertile soils and is heavily grazed by large herbivores?

Which biome do we live in?

Only 10% of energy is stored in an organism to be passed on. What happens to the rest?

_____ bacteria convert nitrogen gas in the atmosphere into ____, so that plants can use it.

This ocean zone contains phytoplankton and is the largest marine zone.

Look at the food web. How many organisms feed on the mouse?

The portion of the Earth that supports life is called ____?

Which of the following is the correct order of ecological levels from LARGEST to SMALLEST?

Which is NOT a way that carbon is stored in the biosphere?

A network of food chains is called a(n)____?

On this food web, the frog is a ____________.

____ is the original source of almost all of the energy in most ecosystems

Organisms that break down dead and decaying plants and animals are called_____.

The study of interactions among organisms & between organisms and their environment is called