Ecosystems Quiz Review Lessons 8-13

a model that can be used to represent the flow of matter and energy in ecosystems.

• decomposers

• killer whales

• food web

• producers

an organism that makes its own food from carbon dioxide and water.

• producers

• native species

• population

• zooplankton

organisms that eat other organisms to go get energy.

• producers

• consumers

• ecosystems

• phytoplankton

get their energy from dead plant and animal matter.

• population

• invasive species

• endangered species

• decomposers

a complex system that includes all the living things and the nonliving parts of their environment.

• oxygen

• ecosystem

• food web

• invasive species

a gas that plants produce and release into the air.

• oxygen

• population

• invasive species

• carbon dioxide

a species that is at risk of extinction.

• killer whales

• native species

• endangered species

• phytoplankton

carnivorous marine animals that live in social groups called pods.

• decomposers

• consumers

• zooplankton

• killer whales

a group of the same species living in the same area.

• population

• invasive species

• consumers

• food web

producers in an aquatic system that get their matter and energy the same way as plants.

• consumers

• phytoplankton

• decomposers

• native species