Water section 2 Flashcards
Body processes: why do they require water?
All organisms need water to break down food, grow, reproduce, and move substances within their bodies
Photosynthesis
The process by which plants use water, along ,with carbon dioxide and energy from the sun, to make their own food.
Water as Shelter
Bodies of water provide habitats for many living things, like microscopic amoeba or sharks.
Habitat
A place where an organism lives and obtains all the things it needs to survive.
How much of the earth is water?
About 97%
How much of the earth is freshwater?
Only 3%
Oceans
Are all interconnected. Atlantic, Indian, Pacific are all names for different parts of the ocean.
Ground water
Water that fills the cracks and space in underground and rock layers.
Ice
Frozen water
Water cycle
The process by which earths water is naturally recycled through a process called the water cycle.
Transpiration
The water given off though the leaves of a plant.
Precipitation
Water that falls back to earth as rain snow hail or sleet.
Oceans
Big body’s of water that cover earths surface.
What living things on earth need water?
All living things on earth need water in order to live.
Hoc much fresh water on earth is available to people with ought having to get it from under ground?
1%