Biology Unit 2

Ecosystem

All the living and non living in an area

Organism

Individual animal, plant, or cell

Ecosystem needs what to function?

Energy and Matter

Matter

Anything that takes up space and has mass

How does matter move through organisms?

Eating, breathing, waste

Energy

Ability to work

How does matter move through a biological system?

Interactions with other life

Trophic Level

An organisms place in a food chain or food web

Food Web

How organism interact with each other in an ecosytem

How much energy gets passed on in a food chain?

10%

Biomass Pyramid Order

producer, primary consumers, secondary consumers, and tertiary consumers and producers, herbivore, carnivore, and omnivore

What does the direction of the arrow show in a food chain or food web?

Flow of energy and matter

Does a food web need a decomposer?

Yes

All the models

food web, biomass pyramid, food chain, and energy pyramid

Autotroph

Producer

Heterotroph

Consumer

Most mass on a biomass pyramid is where?

Bottom

Percentage on a biomass pyramid

100%,10%,1%,0.1%

Biomass pyramid

Show the total amount of matter/organisms found in each level of an ecosystem