Geosphere
Rocks breaking down and being moved by natural forces.
erosion
___ % of Earth's water is ocean water.
97
About 20% of Earth's atmosphere.
Oxygen
An organism consisting only of one cell.
Unicellular
Plants absorb carbon dioxide from the air in this process.
Photosynthesis
A mixture of minerals, air, water and organic matter.
Soil
Evaporation
% of earth's atmosphere that's nitrogen
78-80
eukaryotic
This element is important for teeth, bones, nerves, muscles and energy.
Phosphorus
Iron
30% of Earth's freshwater is here.
Groundwater
These are space rocks that burn up in the atmosphere.
meteors
An organism that eats to obtain nutrition.
Heterotroph
The process that moves carbon, nitrogen and phosphorus to the geosphere after a living thing dies.
Decomposition
Plate tectonics
Rain, snow, sleet, hail.
% of earth's atmosphere that is carbon dioxide.
0.04 (anything less than 1)
This type of living thing moves nitrogen from the atmosphere to the soil.
Bacteria
Phosphorus is not found in this sphere of Earth.
Atmosphere
About 5% of soil is made up of this.
Organic matter
% of earth's water that is freshwater.
3
Give a reason that we need the atmosphere.
breathing, heat, protection from radiation
These decomposers have eukaryotic cells and are all heterotrophs, but they can be unicellular or multicellular.
Fungi
The gas that is released when fossil fuels are burned.
Carbon dioxide