1Major Parts of Earth’s Life-Support Systems
(abiotic ecosystem components)
2What Sustains Life on Earth?
3How Does the Sun Sustain Life on Earth?
4Levels of Organization in Nature (in ecology)
ecosphere, ecosystems, communities, populations, organisms

6What are communities and ecosystems?
7Major components of an ecosystem
8Diagram for how tolerant organisms are to environmental conditions
9What is biodiversity (biological capital)
10What is primary productivity
Rate of photosynthesis

11Matter cycling: which nutrients/matter gets cycled (import ones)
water, carbon, nitrogen, phosphorus, sulfur
12What are living things restricted by?
Their environmental conditions and trophic level