Ecosystems

_______ is the energy source needed by all natural communities.

• sunlight

• bacteria

• water

• producers

Green plants are ______ because they make their own food.

• consumers

• carnivores

• producers

• decomposers

An _____ is a community of plants and animals and the place they live.

• community

• biosphere

• food web

• ecosystem

_________ break down dead materials and waste.

• consumers

• carnivores

• producers

• decomposers

______ and fungi are examples of decomposers

• bacteria

• plants

• yeast

• animals

Animals are called ____ because they cannot make their own food and must eat plants and/or animals.

• carnivores

• consumers

• decomposers

• producers

The process of energy and materials moving through an ecosystem is called________.

• perish

• food web

• food chain

• ecosystem

______ means to die

• perish

• survive

• thrive

• decompose

The various food chains form networks called _____.

• food chains

• food cafeterias

• food webs

• food channels

______ means to stay alive.

• perish

• survive

• decompose

• die