1. Do now activity #5
In a food chain, how much energy does the herbivore get to keep?
Give an example of a community.
Give an example of an ecosystem.
How much energy does the first trophic level have? What type of organism is in the first trophic level?
Finish Food Web Worksheet Part A, B, & C

2. Section 7-3: conserving Matter
Essential Question:
How is matter conserved (recycled) as it moves through a food chain?
Learning Target
Using a food chain explain the transfer of matter (carbon, hydrogen, oxygen, and nitrogen) from one organism to another focusing on the building of macromolecules.
Section 7-3: conserving Matter

3. announcements Available Extra Credit:
Starburst Original Jellybeans = 30 Points
Stauffer’s Original Animal Crackers = 30 Points

4. Don’t forget to chunk your notes!

5. overview
The 4 phases of matter are:
Solid
Gas
Liquid
Plasma

6. Matter is anything that takes up ____ and has ____ .
overview
Matter is anything that takes up ____ and has ____ .
space
mass

7. overview
Atom: the basic unit of matter.

8. overview
Element: a pure substance of ____ _____ of atom.
one
type

9. overview Carbon Hydrogen Oxygen Nitrogen
The 4 elements required for living systems:
Carbon
Hydrogen
Oxygen
Nitrogen

10. Don’t forget to chunk your notes!

11. All life is made of _______ .
Food chains
All life is made of _______ .
matter (CHON)

12. When consumers ___ ______ __________ , matter is transferred.
Food chains
eat
other
organisms

13. Food chains
The matter (CHON) gained is used to build ____________ needed by the body.
macromolecules
Carbohydrates, nucleic acids, proteins, and lipids

14. Food chains Lipids Protein Carbohydrate Nucleic Acid ________
4 Macromolecules
Protein
Carbohydrate
Nucleic Acid
________
Carbohydrates, nucleic acids, proteins, and lipids
Lipids

15. Don’t forget to chunk your notes!

16. Conserving matter
Animals need to eat _____ to get the CHON so their body can make ____________ .
food
Carbohydrates, nucleic acids, proteins, and lipids
macromolecules

17. Conserving matter die decomposes macromolecules
When animals ___ , their body ____________ and gives the CHON to the soil for plants to make _____________ .
decomposes
macromolecules

18. Conserving matter The grasshopper eats the grass matter.
The bluebird eats the grasshopper matter.
The grasshopper eats the grass matter.
The owl eats the snake matter.
The snake eats the bluebird matter.
The producer absorbs the decomposer’s broken down nutrients.
The decomposers break down the owl matter.