Vocabulary
Ecological Organization
Ecological Relationships
Energy Flow
Food Chains/Webs
100

The location where a species lives in its ecosystem

What is a habitat?

100

The smallest level of ecological organization

What is organism?

100

An ecological relationship in which one organism eats another for food

What is predation?

100

The original source of energy in an ecosystem

What is the Sun?

100

These organisms make their own food through photosynthesis or chemosynthesis

What is a producer?

200

The non-living factors in an ecosystem

What are abiotic factors?

200

The largest/broadest level of ecological organization

What is biosphere?

200

An ecological relationship in which organisms try to use the same limited resources (food, water, mate, etc.)

What is competition?

200

Type of ecological pyramid that shows the amount of energy available at each trophic level

What is an energy pyramid?

200

The name for herbivores found in a food chain/food web

What is primary consumer?

300

The living factors in an ecosystem

What are biotic factors?

300

A group of same species living in the same area at the same time

What is population?

300

An ecological relationship in which both organisms benefit

What is mutualism?

300

All animals are classified as this category found in food chains/food webs

What is a consumer?

300

This type of consumer is typically found at the top of the food chain.

What is a tertiary consumer?

400

The role a species plays in an ecosystem

What is a niche?

400

All of the populations of different species living in the same area at the same time

What is community?

400

An ecological relationship in which one organism benefits and the other organism is harmed

What is parasitism?

400

Type of ecological pyramid that shows the amount of living tissue in each trophic level

What is a biomass pyramid?

400
An interaction in which one organism kills another for food.
What is predation?
500

The study of how organisms interact with each other and their physical environment

What is ecology?

500

The level of ecological organization that only includes biotic and abiotic factors

What is ecosystem?

500

An ecological relationship in which one organism benefits and the other is unaffected

What is commensalism?

500

The principle that explains why only 10% of the energy available at one trophic is transferred to the next trophic level

What is the 10% rule?

500
A group of organiss that are physically similar and can mate wit each other and produce offspring that can also mate and reproduce.
What is a species?
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