Vocabulary
Food Chains & Webs
Ecosystem Levels
Community Interactions
Biogeochemical cycles
100

What is a habitat?

An environment that provides the things an organism needs to live, grow, and reproduce.

100

What are producers?

These organisms produce energy through photosynthesis

100

What is a population?

Two or more organisms of the same species in the same area.

100

What is commensalism?

A relationship between two species in which one species benefits and the other is neither helped nor harmed.

100

Plants take in CO2 to turn it into what form of carbon?

Glucose

200

What is abiotic factors?

Non-living factors in a community are called..

200

What is a primary consumer?

These organisms are herbivores, therefore they are called ______________ consumers.

200

What is a Biome? 

A large geographic area with similar ecosystems and climates 

200

What is parasitism?

A relationship between two species in which one species benefits and the other is harmed.

200

What is mainly responsible for breaking down nitrogen to pass the nutrients through the soil?

Bacteria 

300

What is a heterotroph?

Something that needs to eat other organisms for energy. 

300

What is a tertiary consumer?

These organisms are typically at the top of the food chain. They are called ____________ consumers.

300

What is a organism?

One individual

300

What is mutualism?

A relationship between two species in which both species benefit.

300

How is carbon released into the atmosphere? 

Cellular respiration and burning fossil fuels 

400

What is a decomposer?

An organism that breaks down wastes and dead organisms.

400

What is an energy pyramid?

This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.

400
Two or populations of species.
What is a community?
400

What is predation?

An interaction in which one organism kills another for food.

400

Why is too much carbon dioxide bad?

It traps heat and leads to more greenhouse gasses

500

What is a food chain?

What is a food chain?A series of events in which one organism eats another and obtains energy. Usually written on one line.

500

What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer? What percentage is passed on?

90% lost. 10% passed on

500

What is an ecosystem?

Includes all of the living and non-living things in an area.

500

What is competition?

Two or more organisms competing for the same resource.

500

How much of the atmosphere is made of nitrogen gas?

78%

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