Carbon cycle
Energy flow
Ecosystem
water cycle
Food chain and web
100

Why do plants release O2 to the atmosphere

waste product 

100

The flow of what is the most important factor  to an ecosystem that determines the ability to sustain life.

the flow of energy.

100

Whats an ecosystem 

a ecosystem is a collection of all organisms that live in a particular place 
100

What is a runoff?

 the flow of water, from snow and rain

100

How do organisms transfer energy.

by eating and being eaten

200

what absorbs co2?

green plants

200

What do organisms need to power the process of life

energy


200

What shapes an ecosystem.

Solar Radiation,disturbances,moisture, soil organisms, minerals, a habitat, nutrients and a plant community.

200

Condensation is the reverse of what?

evaporation

200

A food web is a network of what?

feeding relationships.

300

what releases co2  to the atmosphere through combustion.

factories and cars

300

Whats the one direction energy flows through.

The sun to producers and then to consumers

300

Why is a ecosystem important

it provides a habitat to wild plants and animals.


300

Infiltration is the process of what?

process by where the water on the ground enters soil.

300

What does a food web  consist of?

All food chains in an ecosystem.

400

what does decomposing matter give off.

cO2

400

What are other name for autotrophs.

producers or plants 

400

What does an ecosystem promote.

food webs and food chains.

400

Why is the water cycle important?

Its important because its the way water reaches plants,animals and us

400

what are 3 things that are the most important to a food web?

Producers, consumers and decomposers

500

Plants use cO2 during what?

Photosynthesis

500

what do producers produce food through?

photosynthesis 

500

What are the two components of a ecosystem.

Abiotic and biotic components.

500

When water evaporates what does it turn into?

water vapor
500

What is the most important thing in a food chain?

decomposers