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Vocabulary
Food Chains & Webs
Energy flow
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

An organism that makes its own food 


producer - autotroph 

100
A relationship between two species in which one species benefits and the other is neither helped nor harmed.
What is commensalism?
100

Each level in an energy pyramid is called the ____ level

What itrophic?

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

Name three ways carbon is cycled back into the atmosphere 

What is fossils fuels, photosynthesis and cellular respiration 

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

Maximum population that an ecosystem can support is called the 

What is carrying capacity 

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

As we go up the energy pyramid, we energy in the form of this


What is heat?

300
A relationship between two species in which both species benefit.
What is mutualism?
300

These (food/water/shelter,mates) all control how big or small a population can get 

What is limiting factors ?

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

This is the source of all energy on earth 

What is the sun ?

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

What do the arrows show in a food chain or food web

What is How does the energy flow?

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

What group of organisms returns Nitrogen to the atmosphere from the soil (geosphere)? 

What is Decomposers?