Water cycle
Nitrogen cycle
phosphorus cycle
Ecosystem
100

The movement of water between oceans, atmosphere, land, and living things

What is the water cycle

100

How much of the earths atmosphere is made up of nitrogen 

What is 78 %

100

How do plants obtain phosphorus 

soil water and through their roots

100


A group of the same species of organisms living in an area

What is population

200

Falls down as hail , snow , rain

What is precipitation 

200

Decomposer converting organic waster into ammonia

What is ammonification 

200

What do humans use phosphorous for ?

What is forming bones , teeth , and the P in ATP

200

Living factors in a ecosystem

What is biotic factors 

300

Water water is heated in the ocean and turns to water vapor

What is evaporation

300

Key players in the nitrogen cycle

What is bacteria /decomposers

300

How do animals get phospahte

By consuming plants or animals

300

The physical place where an organism lives

What is habitat

400

When water vapor cools and returns to a liquid state 

What is condenstation

400

How is nitrogen broken down in the atmosphere 

What is lighting

400

The process in which phosphorus ends up in the ocean

What is runoff

400

The position/role of an organism in a community

What is niche

500

Powers the water cycle

What is energy from the sun 

500

4 main process of the nitrogen cycle 

What Fixation, Ammonification, Nitrification, and Denitrification 

500

What is unique about the phosphorus cycle

It doesn't involve the atmosphere

500

ALL living organisms in an area

Community