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7 Cards in this Set
- Front
- Back
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Where did life evolve from?
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Microorganisms
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What are the characteristics of a prokaryotic cell?
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Cell wall, plasma membrane, lack a nucleus, have a long circular DNA, and most other membrane bound organelles.
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What are the two domains that are prokaryotic cells?
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Bacteria and Archea
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How are bacteria and archaea different?
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Bacteria: produce spores.
Archaea: metabolic pathways more similar to eukaryotes. only use lipids in their cell membrane. Do not produce spores. |
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What are the shapes of bacteria? be able to label a picture
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1. cocci
2. Bacilli 3. Spirochetes |
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What is detritus material?
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Particle of dead organic matter.
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What are decay bacteria? Why are they so important
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Break down waste products and dead organic matter and release nutrients in to the environment. They are vital to life on Earth because they ensure the recycling of essential nutrients, as in the recycling of dissovled organic matter in oceanic food webs.
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