An organism that uses solar energy to produce food.

A first level organism that eats a producer.

An organism that eats a primary consumer.

An organism that eats a secondary consumer, usually a carnivore.

An organism that must eat another organism to obtain energy.

An organism that has a large number of prey items but does not have any predators.

An organism that only eats plants.

An organism that eats plants and animals.

An organism that eats only animals.

An organism that can produce it's own food through photosynthesis.

An organism that must eat another organism for energy.

A complex diagram showing all the possible paths of energy from producer to consumer.

A simple diagram showing one path of energy from producer to consumer.

A triangle shaped diagram showing the movement of energy from producer to consumer, and shows the relative amount of energy at each trophic level.

The amount of a living organism at any trophic level.

The process of rebuilding an ecosystem after total destruction such as a volcanic eruption.

The process of rebuilding an ecosystem after a major disturbance such as a forest fire.

The first species to inhabit a destroyed ecosystem, such as bacteria that are first to colonize a new volcanic island.

The final product of either type of succession.

A relationship between two organisms in which both organisms benefit, such as a flower and a bee.

A relationship between two organisms in which one species is benefited while the other species is directly harmed, such as a dog and a tick.

A relationship between two organisms in which one species is benefited and the other species is neither benefited or harmed, such as whales and barnacles.

A process by which one animal hunts, kills and eats another animal.

Two or more organisms/species that try to obtain the same limited resource, such as seals fighting for females.

The animal that is hunted, killed and eaten during predation.

The animal that hunts, kills and eats prey.

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Ecology Vocab Review

Term	Definition
Producer	An organism that uses solar energy to produce food.
Primary Consumer	A first level organism that eats a producer.
Secondary Consumer	An organism that eats a primary consumer.
Tertiary Consumer	An organism that eats a secondary consumer, usually a carnivore.
Consumer	An organism that must eat another organism to obtain energy.
Apex Predator	An organism that has a large number of prey items but does not have any predators.
Herbivore	An organism that only eats plants.
Omnivore	An organism that eats plants and animals.
Carnivore	An organism that eats only animals.
Autotroph	An organism that can produce it's own food through photosynthesis.
Heterotroph	An organism that must eat another organism for energy.
Food Web	A complex diagram showing all the possible paths of energy from producer to consumer.
Food Chain	A simple diagram showing one path of energy from producer to consumer.
Energy Pyramid	A triangle shaped diagram showing the movement of energy from producer to consumer, and shows the relative amount of energy at each trophic level.
Biomass	The amount of a living organism at any trophic level.
Primary Succession	The process of rebuilding an ecosystem after total destruction such as a volcanic eruption.
Secondary Succession	The process of rebuilding an ecosystem after a major disturbance such as a forest fire.
Pioneer Species	The first species to inhabit a destroyed ecosystem, such as bacteria that are first to colonize a new volcanic island.
Climax Community	The final product of either type of succession.
Mutualism	A relationship between two organisms in which both organisms benefit, such as a flower and a bee.
Parasitism	A relationship between two organisms in which one species is benefited while the other species is directly harmed, such as a dog and a tick.
Commensalism	A relationship between two organisms in which one species is benefited and the other species is neither benefited or harmed, such as whales and barnacles.
Predation	A process by which one animal hunts, kills and eats another animal.
Competition	Two or more organisms/species that try to obtain the same limited resource, such as seals fighting for females.
Prey	The animal that is hunted, killed and eaten during predation.
Predator	The animal that hunts, kills and eats prey.

Created by: rshenk

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