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Describe the 10% rule of a food chain- When an organism eats something, it gains only 10% of the energy of the organism it consumed.

If a producer provides 1000 calories of energy to the first-level consumer, how much energy would the

third-level consumer receive? 10 calories

Compare & contrast photosynthetic producers with chemosynthetic producers (2 similarities + 2 differences). 2 similar: Produces oxygen and carbs             Different:Chemosynthesis happens under water while Photosynthesis is on the Earth’s surface and Photosynthesis uses light and Chemosynthesis uses chemical energy.

Describe the interdependence of nature. - All organisms found in nature are dependent on one another and their environment to stay alive.

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Simply put, the biosphere is the reason why we exist. Why life can evolve and function the way it does. So, to say that we use this from the time that we are born to the time when we are not alive is not an understatement.

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Species → populations → communities

Make predictions of what would happen to others in a food web if an organism were killed off

Nutrients can be recycled, energy flows in one direction

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1. Ecology-The scientific study of interactions among organisms and between organisms and their environment

2. Biosphere- Contains the combined portions of the planet in which all life exists including, land, water, and air

3. Dynamic-Characterized by constant change (ever-changing)

4. Species-groups of organisms so similar to one another that they can breed and produce fertile offspring

5. Populations- groups of individuals in the same species and area

6. Communities- different populations living in a defined area

7. Ecosystem- all organisms that live in a particular area and all the nonliving things in that area

8. Biome- group of ecosystems that have the same climate

9. Biotic factor - living thing in an ecosystem

10. Abiotic factor - nonliving thing in ecosystem