Show:
Vocabulary
Food Chains & Webs
Ecosystem Levels
Community Interactions
Random
100

An organisms role in the community.

What is a niche?

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 species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.



What is keystone species?

100

Each step in a chain or web is called a?

Trophic Level

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

Primary consumers are also known as.

What is herbivores?

200

These organisms eat both plants and animals. 

What is an omnivore. 

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 living thing

What is an organism?

300

When a keystone species is removed, it often results in a?

(think waterfall)

What is a trophic cascade?

300

These animals eat the dead carcasses of other animals. 

What is a Detritivore.

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/trophic pyramid?

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

The amount of of organisms on a given level. 

What is biomass?

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

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?