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Vocabulary
Food Chains & Webs
Ecosystem Levels
Community Interactions
100
An environment that provides the things an organism needs to live, grow, and reproduce.
What is a habitat?
100

These organisms produce energy through photosynthesis or chemosynthesis.

What are autotrophs or producers?

100
Two or more organisms of the same species.
What is a population?
100

The maximum number of individuals that an environment can sustain. 

What is carrying capacity?

200
Non-living factors in a community are called..
What is abiotic factors?
200
These organisms are herbivores, therefore they are called ______________ consumers.
What is primary?
200
Includes all of the area in which life is found on Earth.
What is the biosphere?
200

An organism that is killed and eaten by another organism.

What is prey?

300
Something that only eats plants
What is a herbivore?
300
These organisms are typically at the top of the food chain. They are called ____________ consumers.
What is tertiary?
300
One individual
What is a organism?
300

A factor that decreases the amount of organisms able to survive in an ecosystem. 

What is a limiting factor?

400
An organism that breaks down wastes and dead organisms.
What is a decomposer?
400
This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.
What is an energy pyramid?
400
Two or populations of species.
What is a community?
400
An interaction in which one organism kills another for food.
What is predation?
500
A series of events in which one organism eats another and obtains energy. Usually written on one line.
What is a food chain?
500
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
What is 90%?
500
Includes all of the living and non-living things in an area.
What is an ecosystem?
500

An organism that has a big impact on its ecosystem. The removal of this organism often causes a trophic cascade. 

What is a keystone species?