Vocabulary Word
Definition
Abiotic
Non living part of ecosystem
Biotic
Living part of an ecosystem
Decomposer
Organism that breaks down dead and decaying material and puts nutrients
back into the soil
Energy
Pyramid
A model of the flow of energy in a food chain; less energy is available at
each level of the pyramid as you move towards the top
Food Chain
A pathway of energy and materials through a community
Food web
Predator
Scavenger
All the interconnecting food chains within a community
A consumer that eats other animals or only meat by hunting and killing
A consumer that eats what ever it can find, left overs from a kill, berrys,
trash
A large region of land with a distinct climate and certain types of plant
and animal life
The part of the earth that is able to support life
A consumer that only eats meet
The largest number of organisms an environment can sustain
Biome
Biosphere
Carnivore
Carrying
capacity
Community
All of the populations sharing a specific area or region; for example all
the organisms in a lake
An organism that feeds on other organsims
Consumer
The study interactions of organisms with each other and their
Ecology
environment
All the living populations in an area along with the nonliving parts of that
Ecosystem
environment
The place in an ecosystem where an organism lives
Habitat
An organisms that only eats plants
Herbivore
The role an organism plays in it’s environment as well as all the resources
Niche
it uses
An organism that eats both plant and meat material
Omnivore
Photosynthesis Chemical process by which plants use light energy to make sugar from
water and carbon dioxide
All the members of the same species living in a particular area at a
Population
particular time
Organism that makes its own food, such as a plant or a photosynthetic
Producer
algae