Ecosystem Basics
Food Chains
Interaction
Human Impact
100

An ecosystem includes both living(biotic facotor) and non-living(_____)Parts.

What are abiotic factors?

100

The first organisms in the food chain are always...

What are Producers?

100

When two or more species rely on the same limited resource?

What is Competition?

100

Cutting down large areas of forest for farms or cities is called this.

What is deforestation?

200

A group of the same species living in one area

What is Population?

200

An organism that must eat other organisms in order to survive.

What are consumers?

200

One organism hunts, kills, and eats another

What is Predation?

200

The release of harmful substances into the air, soil, or water

What is Pollution?

300

All the different populations living and interacting in one place

What is a community?

300

Consumers that eat only primary producers.

What are Herbivores or Primary Consumers?

300

A long-term close relationship between two species

What is Symbiosis?

300

When too many nutrients from fertilizers wash into waterways, it causes algae to grow and oxygen to drop.

What is eutrophication?

400

A specific role an organism plays in its ecosystem, including what it eats and where it lives.

What is a Niche?

400

About what percentage of energy is passed on between trophic levels?

What is 10%?

400

A tick feeding on a dog is an example of this type of interaction

What is parasitism?

400

The increase in Earth's average temperature due to gases like carbon dioxide trapping heat

What is Global Warming or Climate Change?

500

This word describes the variety of living things in an ecosystem.

What is biodiversity?

500

What is the process that decomposers return nutrients to the soil, completing the cycle of matter?

What is Decomposition(Nutrient Recycling)?

500

The interaction between bees and flowers is an example of which mutual relationship?

What is mutualism?

500

When non-native species are introduced and harm native ecosystems.

What are invasive species?

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