Basic Ecology TestM

If you increased the amount of grass what would happen to the other species in the food web?

• All populations would decrease

• All populations would increase

A tick sucking blood from a human... YUMMMY!!

• Commensalism

• Parasitism

• Mutualism

Zebras and gazelle eating grass in a savannah is an example of...

• Interspecfic competition

• Intraspecific competition

A ____ is an animal's special home in an ecosystem.

• habitat

• ecosystem

Animals' habitats, including both living and nonliving things, make up _____.

• food chains

• ecosystems

In a food chain, producers ___ their own food.

• make

• eat

In a food chain, consumers ___ producers and often other consumers for food.

• eat

• create

Beetles and worms break down dead animals and plants and return nutrients to the earth; they are examples of ____.

• decomposers

• producers

A food ____ is a series of overlapping food chains.

• chain

• pyramid

• web

The producer in this food chain is the ____.

• plant

• mouse

• boar