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42 terms

Ecology Vocab:

ecology vocabulary for populations and food webs.
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Food Web
A diagram showing all of the connected food chains in an ecosystem
Biodiversity
Large variety of organisms
Decomposer
An organism that breaks down dead organisms
Energy Pyramid
A diagram that shows how energy decreases as it travels through a food chain
Food Chain
A diagram showing how energy passes from one organism to the next in an ecosystem
Omnivore
An organism that eats both plants and animals
Carnivore
An organism that eats only other animals
Herbivore
An organism that eats only other plants
Competition
When two organisms fight over the same resource
Community
All of the different populations of organisms in an area.
Biosphere
All of the living space on earth.
Ecosystem
Living and nonliving things interacting in an area
Population
All of the members of the same species in an area.
Coevolution
When two organisms push each other to evolve.
Prey
The organism that is hunted
Predator
The organism that hunts others for food.
Adaptation
A trait that helps an organism survive.
Limiting Factor
The scarcest resource that limits a populations size.
Carrying Capacity
The largest population size an ecosystem can hold.
Parasitism
A type of relationship where one organism benefits while harming the other organism
Commensalism
A type of symbiosis where one species benefits and the other is not harmed.
Mutualism
A type of symbiosis where two organisms help each other.
Symbiosis
A relationship where to species interact and one is benefitted.
Biotic
Living part of the environment
Abiotic
Non living part of the environment
Ecology
The study of how living things interact with nature.
Nutrients
Chemicals that living things can use to live and grow.
Autotroph
Any organism able to make its own food (aka Producer)
Heterotroph
An organism that has to eat its food (aka consumer)
Energy
Used for organisms to do everything it needs to do to live
Glucose
A type of sugar used by plants to store energy from the sun.
Tertiary Consumer
Third level consumer. Often top of the food chain
Primary Consumer
The 1st level consumer. Eats producers
Secondary Consumer
Eats 1st level consumers. Often is a predator and a prey
Quaternary Consumer
4th level consumers. Food chains don't always go this far
Scavenger
An animal that eats other dead animals.
organism
one individual living thing
Warning colors
Bright Colors to warn predators they are poisonous
Defensive Chemicals
When prey use poison or noxious chemicals to deter predators
Defensive covering
When prey have armor or spikes to protect from predators.
mimicry
Looking like a more dangerous organism
Primary Succession
When a new ecosystem forms where there isnt one.