Matter moves between __________, ____________, and __________ – between biotic and abiotic components
ecosystems
environments
organisms
Matter moves between ecosystems, environments, and organisms – between _______ and _______ components
biotic
abiotic
Biogeochemical cycling involves: __________, ________ and ________ interactions
biological
geologic
chemical
What are the five major cycles of materials?
- Carbon
- Nitrogen
- Phosphorus
- Sulfur
- Water (hydrologic)
What are the major forms of the carbon cycle?
- CO2
2. Organic carbon (in living tissue, dead tissue of plants and animals)
What are the major processes of the carbon cycle?
- Photosynthesis
- Cellular respiration
- Decomposition
- Combustion (fossil fuels)
What are major forms of the water cycle?
- Solid
- Liquid
- Vapor (gas)
What are the major processes of the water cycle?
- Evaporation
- Precipitation
- Condensation
- Percolation
- Transpiration
Sun provides ______ for life, powers ____________ cycles, and determines ________
energy
biochemcial
climate
Of incoming solar radiation:
◦___% is absorbed by the earth and atmosphere
◦___% is reflected back
into space (includes heat)
69%
31%
Of incoming solar radiation:
◦ 69% is absorbed by the ______ and __________
◦ 31% is reflected back
into ______ (includes heat)
earth
atmosphere
space
The reflectance of solar energy
off earth’s surface
albedo
Dark colors = ____ albedo
_____ colors = high albedo
Low
Light
_____ colors = low albedo
Light colors = _____ albedo
Dark
High
Temperature changes with ________ (N, S)
latitude
Solar energy does not hit earth ________
Due to earth’s spherical _____ and ____
uniformly
shape
tilt
Temperature changes with ________
season
Seasons determined by earth’s _____
tilt
Earth’s tilt causes each ___________ to tilt toward the sun for half the year
hemisphere
Atmosphere is made of: ◦ \_\_\_% Oxygen ◦ \_\_\_% Nitrogen ◦\_\_% Argon, Carbon dioxide, Neon and Helium
21%
78%
1%
Atmosphere is made of:
◦ 21% _______
◦ 78% _______
◦ 1% ______, ______ _______, _____ and ________
Oxygen
Nitrogen
Argon, Carbon Dioxide, Neon, Helium
Density ___________ with
distance from earth
decreases
Density decreases with _________ from earth
distance
_______ decreases with
distance from earth
Density
