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Vocabulary
Food Chains & Webs
Ecosystem Levels
Community Interactions
Random
100

the order of events in an ecosystem, where one living organism eats another organism.

What is a food chain?

100
These organisms produce energy through photosynthesis or chemosynthesis.
What are autotrophs?
100
Two or more organisms of the same species.
What is a population?
100
A relationship between two species in which one species benefits and the other is neither helped nor harmed.
What is commensalism?
100
The organism that a parasite lives in or on in a parasitism interaction.
What is a host?
200

a system of interlocking and interdependent food chains

What is a food web?

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
A relationship between two species in which one species benefits and the other is harmed.
What is parasitism?
200

the process by which the mix of species and habitat in an area changes over time. Gradually, these communities replace one another until a “climax community” is reached, or until a disturbance occurs

Succession (Primary or Secondary)

300

Organism that eats producers

What is a herbivore or primary consumer?

300
These organisms are typically at the top of the food chain. They are called ____________ consumers.
What is tertiary?
300

One living thing

What is a organism?

300
A relationship between two species in which both species benefit.
What is mutualism?
300
A carnivore that feeds on the bodies of dead organisms.
What is a scavenger?
400

Levels of organization from smallest to largest (start with organism.

Organism- Population- Community- Ecosystem- Biosphere

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 more populations of different species.

What is a community?

400
An interaction in which one organism kills another for food.
What is predation?
400
An organism that is killed and eaten by another organism.
What is prey?
500

A series of events in an ecosystem after a catastrophic event.

What is ecological succession?

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
Two or more organisms competing for the same resource.
What is competition?
500
Study of the interactions of living things and their environment.
What is ecology?