2. • Earth contains most of the matter it
will ever have.

3. • Earth contains most of the matter it
will ever have.
• The only new matter comes from
meteorites that strike the earth’s
surface.

4. • Earth contains most of the matter it
will ever have.
• The only new matter comes from
meteorites that strike the earth’s
surface.
• The matter on earth is used and
recycled between abiotic and biotic
parts of ecosystems.

5. • Earth contains most of the matter it
will ever have.
• The only new matter comes from
meteorites that strike the earth’s
surface.
• The matter on earth is used and
recycled between abiotic and biotic
parts of ecosystems.
• To understand the cycles, you need
to know the difference between
organic and inorganic matter.

6. ORGANIC INORGANIC
 - always contains  - may or may not
carbon and hydrogen contain carbon

7. ORGANIC INORGANIC
 - always contains  - may or may not
carbon and hydrogen contain carbon
 - other elements (such  - often is of mineral
as oxygen) might be origin
present

8. ORGANIC INORGANIC
 - always contains  - may or may not
carbon and hydrogen contain carbon
 - other elements (such  - often is of mineral
as oxygen) might be origin
present  - matter that is not of
 - found in living things biological origin
or in fossils of living
things

9. ORGANIC COMPOUNDS INORGANIC COMPOUNDS
Glucose Molecule Water

10. ORGANIC COMPOUNDS INORGANIC COMPOUNDS
Glucose Molecule Water
Proteins Salts

11. ORGANIC COMPOUNDS INORGANIC COMPOUNDS
Glucose Molecule Water
Proteins Salts
Nucleic Acid (DNA) Ammonia

12. ORGANIC COMPOUNDS INORGANIC COMPOUNDS
Glucose Molecule Water
Proteins Salts
Nucleic Acid (DNA) Ammonia
Lipids Oxides