Investigation 1 - Systems

A food chain is a/an _____ relationship among a few organisms.

• energy

• feeding

• bonding

A food web is a more ____ system showing all the feeding relationships in an ecosystem.

• complex

• simple

• sub

A food web is a more complex system showing all the feeding relationships in a/an _______.

• geosphere

• food chain

• ecosystem

A _____ makes its own food.

• decomposer

• consumer

• producer

A _________ eats other animals to get energy.

• producer

• consumer

• decomposer

A _______ feeds off of dead plants and animals.

• consumer

• decomposer

• producer

_______ are organisms that break down plants or animals not eaten by _______.

• decomposers/ consumers

• consumers/ decomposers

• decomposers/ producers

What are examples of decomposers?

• lions and gorillas

• snails and mice

• bacteria and fungi

Energy from the sun is first captured by ____ through a process called photosynthesis.

• primary producers

• decomposers

• primary consumers

• second level consumers

Primary consumers get the energy from the sun by eating ____.

• plants

• bacteria

• animals

• decomposers