Disturbance
Food Chains & Webs
Ecosystem Levels
Community Interactions
Random
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?
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

What is the difference between primary and secondary succession?

Primary starts from no previous ecosystem, and secondary starts from a destroyed ecosystem

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?
300

Something that only eats plants

What is a primary consumer?

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 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
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?
400
An organism that is killed and eaten by another organism.
What is prey?
500

What is the first species to inhabit an area of primary succession?

What is a pioneer species?

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?
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