1. Do Now: What is the difference between an autotroph and a heterotroph?

2. Characteristics of Life
Made of Cells
Respond to a Stimuli
Adapt to an Environment
Obtain and Use Energy
Homeostasis
Grow and Develop
Reproduce

4. Why do the carbon dioxide levels in the atmosphere fluctuate throughout the year?

6. Fossil Fuels.
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels.
We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.

8. Diagram how organisms do photosynthesis
Think about inputs and outputs of the process.

10. Which organelle within the cell is responsible for photosynthesis?