Science unit seven ecology and evolving ecosystems

Ecology

The study of interactions that take place among organisms and their environment

Ecosystem

All of the organisms living in an area and nonliving features of their environment

What are the two types of things you can find in an ecosystem

Biotic and abiotic things

Biotic

Living

Anabiotic

Nonliving

Population

All the organisms in an ecosystem that belong to the same species(biotic)

Community

All the populations in an ecosystem(biotic)

Habitat

The place in which an organism lives-it provides things the organism needs to survive

Niche

The specific role/job that an organism plays in its ecosystem

An ecosystem is a

Self supporting unit

The sun is

The source of energy in most ecosystems

Energy can be transferred in an ecosystem by

Food chains food webs, and energy pyramids

Producers

An organism that makes its own food/plant

Consumers

An organism that obtains/gets food by eating other living organisms- cows, humans dogs

Decomposer

An organism that breaks down waste or remains of other organisms/bacteria or fungi

What types of heterotrophs go in order?

Herbivores are primary, carnivores are secondary, and lastly omnivores are usually third