Unit 4 Ecosystem Grade 7

The build up of toxins in an individual organism.

• bioaccumulation

• bioaccomodation

• biomagnification

• biodegradable

The build up of toxins in a food chain.

• bioaccumulation

• bioaccomodation

• biomagnification

• biodegradable

The organism that produces their own food

• producer

• reducer

• consumer

• predator

The organisms that eat the producer (herbivores).

• primary consumer

• secondary consumer

• tertiary consumer

• decomposer

The organism that consumes the primary consumer.

• Primary consumer

• Producer

• Secondary Consumer

• Tertiary Consumer

The organisms that break downs dead organisms for nutrition.

• producer

• consumer

• decomposer

• predator

Which is NOT an example of a consumer?

• seaweed

• snail

• birds

• snake

What is an invasive species?

• organisms that does not naturally live in an ecosystem

• organisms that naturally live in an ecosystem

• organisms that get consumes by predators

Why can invasive species reduce the number of a native species?

• They can be eaten by native species

• They can be a predator of native species

• They provide new habitats for the native species

The term for the place where an organism lives.

• habitat

• ecosystem

• ecology

• consumerism