Ecosystem Vocab
Energy Flow
Food Webs & Food Chains
Roles in the Ecosystem
Changes in Ecosystem
100

What is the environment where living and nonliving things interact called?

What is a Ecosystem

100

What is the original source of energy for almost all ecosystems?

The sun

100

 simple path showing how energy passes from one organism to another is called a __________.

Food chain

100

A rabbit that eats grass is what type of consumer?

Herbivore (primary consumer)

100

When a living thing has to move to a new place because its needs aren’t met, this change is called __________

Migration

200

What word means “a group of the same kind of organism living together”?

What is Population

200

What type of organism uses sunlight to make food

Producer

200

A network of many food chains is called a __________.

Food web

200

A snake that eats a rabbit is what type of consumer?

Carnivore (secondary consumer)

200

A long-term relationship between two organisms that live closely together is called __________.

Symbiosis

300

What is the nonliving part of an ecosystem called?

Abiotic Factor

300

What do we call organisms that must eat other organisms to get energy

Consumers

300

In a food chain, which type of organism is always first?

Producer

300

A bear that eats fish and berries is a(n) __________.

Omnivore

300

When one organism is helped and the other is harmed, the relationship is called __________.

Parasitism

400

What do we call the living parts of an ecosystem?

Biotic Factors

400

When one organism eats another, what is being transferred

Energy

400

If all the plants in an ecosystem died, what would happen to the rest of the food web?

Consumers would eventually die

400

An organism that breaks down dead organisms and returns nutrients to the soil is a(n) __________.

Decomposer

400

A major fire burns through a forest. What happens to the populations of animals there?

Populations decrease or relocate

500

What is the role or "job" an organism has in its ecosystem called?

Niche

500

What is the term for energy moving from one organism to another?

Energy flow

500

What do arrows in a food web show?

Direction of energy flow

500

Give one real-world example of a decomposer.

Worms, fungi, bacteria, mushroom

500

When a new species enters an ecosystem and has no natural predators, it is called an __________

invasive species