8 terms

Chapter 1 Section 2

Key Terms
Why is water important?
All living things need water in order to carryout their body processes. In addition, many living things use water for shelter.
The process by which plants use water, along with carbon dioxide and energy from the sun, to make their own food
The place where an organism lives and obtains all the things it needs to survive
distribution of water
97% of Earth's water is salt water found in oceans and only 3% is fresh water
Water that fills the cracks and spaces in underground soil and rock layers
water cycle
The continuous process by which water moves from Earth's surface to atmosphere and back
Plants draw in water from the soil through their roots and eventually the water is given off through the leaves as water vapor in a process called transpiration
Water that falls to Earth as rain, snow, hail or sleet