Chapter 1 (Part 2): Evolution, the Themes of Biology, and Scientific Inquiry

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10 Terms

1
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How do energy and nutrients move in ecosystems?

Energy flows one way, nutrients cycle

2
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What are producers (autotrophs)?

Organisms that make their own food (plants, algae)

3
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What are consumers (heterotrophs)?

Organisms that eat other organisms for food (animals)

4
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What are decomposers?

Organisms that recycle nutrients (fungi, bacteria)

5
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How does structure relate to functions?

Shape helps with job (birds wings for flight)

6
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What does Cell Theory say?

All life is made of cells

7
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What molecule stores genetic info?

DNA

8
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What are the 2 main energy sources for organisms?

Light (phototrophs) or chemicals (chemotrophs)

9
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What are the 2 main carbon sources for organisms?

CO2 (autotrophs) or organic compounds (heterotrophs)

10
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Give 4 examples of energy + carbon source types.

Photoautotroph = light + CO2 (plants), Photoheterotroph = light + carbon compounds (some bacteria), Chemoautotroph = chemical bonds + CO2 (bacteria), Chemoheterotroph = chemical bonds + carbon bonds (animal, fungi, humans)