ecology

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Ecology

The relationship between living and non living organisms

Six levels

Species, population, community, eco-system, biome, biosphere

observation

to watch what goes on in an environment

experimenting

In a lab, so you don't harm the environment, set up an eco-system to test.

modeling

creating a replica of something in the environment

Abiotic

non living organisms in an environment

Biotic

living organisms in an environment

Habitat

Where organisms live

Niche

The part organisms play in a habitat

Preditor/prey relationship

Short term relationship, preditor kills and eats prey.

Symbiosis

any long term or close personal relaionship between 2 species

Commensalism

One organism is benifited and one dies.

mutualism

both organisms are benefitted

parasitism

one organism is benifited andone is unfazed

Interspecies competition

competition between different species

intraspecies competition

competition between organisms of the same species

Limiting factors

limits how large a factor can grow. Biotic or ABiotic

producers

Autotrouve. Converts solar energy into food energy

Consumers

Eat producers to get energy.

Herbivors

Primaryconsumer. They only eat plants.

Carlivores

Preditors, scavengers, saprophytes, omnivores. They may eat plants or mostly animals

Scavengers

feed off dead orgaqnisms they did not kill

Primary consumers

Eat the consumers eat the producers

secondary consumers

only eat other producers

Decomposers

They break down dead organisms and take in some nutrients and release some in the soil.

Enerygy pyramids

Shows the amount of energy passed on.

Food webs

Represents relationships in an eco-system.

Carrying capacity

Number of organisms that carry support

Ecological succesion

one community replaces another to maintain a forming new stable organisms

Pioneer community

First community to enter and survive in a destroyed eco-system.

Climax community

No longer going through succession. Stable. Lots of biodiversity

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