Vocabulary
Food Chains & Webs
Cycles & Succession
Community Interactions
Populations
100
Includes all of the living and non-living things in an area.
What is an ecosystem?
100

These organisms produce energy through photosynthesis or chemosynthesis. The foundation for food chains and webs.

What are producers?

100

Process of water changing from a liquid to gas.

Evaporation

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

A group of the same species in an area.

Population

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

Two products of photosynthesis.

Oxygen and Glucose

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

The maximum number of a population that an ecosystem can sustain.

What is a 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

Organism that 'fixes' nitrogen.

Bacteria!

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

The amount of humans on Earth.

~8 million

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

Present for secondary succession, but missing for primary sucession.

Soil

400
Two or more organisms competing for the same resource.
What is competition?
400

What will happen as the human population reaches its carrying capacity?

Less food available. Increase in competition, end of population growth.

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

3 ways Carbon is released into the atmosphere.

Respiration, combustion, decomposition.

500

If rabbits eat grass for 80% of their diet, what would happen if the amount of grass decreased by 50%?

Less food for rabbits leading to rabbit population to decrease. 

500

Type of growth when there are no limiting factors.

Exponential Growth.

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