Earth’s Cycles of Matter

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Presentation transcript:

Earth’s Cycles of Matter Biology Unit 1 Chapter 3-3

Vocabulary Atmosphere Biosphere Geosphere Hydrosphere

Cycles of Matter In one direction – it is a one-way flow How do biological systems move energy? In one direction – it is a one-way flow How do biological systems move matter? Matter is recycled Biological systems do not use matter, they TRANSFORM it.

Cycles of Matter CYCLE: A group of processes in which matter and energy move What is a LIMITING NUTRIENT? When an ecosystem is halted or altered by a single nutrient. Examples: Nitrogen – Farmer’s fields / algal ocean blooms Overgrowth of algae due to excess of nutrients.

Carbon Cycle: Needed as a fuel for life processes. Nitrogen Cycle: Used to build proteins in cells. Phosphorous Cycle: To build cells. Water Cycle: Changes in form of water.

The Carbon Cycle Carbon Cycle To Atmosphere (air): Burning fossil fuel, volcanoes, fires, respiration To Geosphere (earth): Decomposition of organic matter To Biosphere (organisms): Photosynthesis, eating To Hydrosphere (ocean): Photosynthesis, runoff

The Carbon Cycle Nitrogen Cycle To Atmosphere: Burning fossil fuel, denitrification To Geosphere: Nitrogen fixation (bacteria & lightning), fertilizer To Biosphere: Eating, bacteria fixation To Hydrosphere: Runoff, leaching

The Carbon Cycle Phosphorous Cycle To Atmosphere: DOESN’T HAPPEN To Geosphere: Runoff, dissolves in water, decomposers To Biosphere: Eating, absorb through roots To Hydrosphere: Runoff, leaching

The Carbon Cycle To Atmosphere: Evaporation, transpiration To Geosphere: Precipitation, condensation, infiltration To Biosphere: Drinking, absorbed through roots To Hydrosphere: Runoff, leaching