Ecosystems

A ____________ creates its own food by using energy from the sun.

• consumer

• producer

• decomposer

A _______ is an animal who only eats plants.

• omnivore

• herbivore

• carnivore

• producer

A cow is often a __________ , because it's main diet is made up of grass.

• carnivore

• omnivore

• herbivore

• producer

_____________ ecosystems are made up of oceans, ponds, lakes, and rivers.

• terrestrial

• aquatic

• grasslands

• none of the above

________ecosystems are areas such as grasslands, forests, and savannas.

• decomposer

• predators

• aquatic

• terrestrial

If an animal only eats meat, it is called a:

• carnivore

• omnivore

• herbivore

• none of the above

The series of plants and animals in which each organism is a source of food for the next is known as a _____________.

• food web

• food chain

• ecosystem

• biome

Animals that kill and hunt other animals for food are called:

• prey

• herbivores

• predators

• omnivores

_______________speed up the decaying process and release nutrients back into the food chain.

• food chain

• food web

• producer

• decomposer

Plants and animals that are consumed by multiple organisms are part of a_____________.

• food chain

• food web

• ecosystem