Ecosystem All of the

living (biotic) and non-living (abiotic) things in an area

What is abiotic in this ecosystem? Biotic?

Species A group of

organisms that are able to reproduce and create fertile offspring.

Ex: all the horses in the world

Population

A group of individuals of the same species in one area

Ex: all of the dogs in Lindsay

Immigration To enter and

settle in an area to which an organism is not native

Emigration

To leave an area and settle in another area

Food web Diagram of

several interconnected food chains

Energy Pyramid

Image of the trophic (feeding) levels in an ecosystem

Producers/Autotrophs Auto = self Troph = feed Make sugar from

the sun's energy through photosynthesis

(some exceptions to this)

Example: plants, trees, grass

Consumers/Heterotrophs Hetero = different,

other Troph = feed Cannot make their

own food, must obtain nutrients from eating consumers or producers

3 types:- Herbivore- Carnivore- Omnivore

Decomposers

Break down dead organisms to release nutrients into environment

Ex: bacteria

and fungi