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The idea that life can arise from non-living things.
An organism that can produce it's own food
Maintaining a constant internal environment.
building up molecules
The circulation of the cytoplasm within the cell.
living things arise only from other living things.
evokes a functional reaction
The sum of all anabolic or catabolic reactions
an organism that has to consume another organism to obtain nutrients
What are 10 characteristics of living things?
- 1. Maintain its boundaries
- 2. Movement
- 3. Ability to respond to stimuli
- 4. Digestion
- 5. Metabolism
- 6. Excretion
- 7. Reproduction
- 8. Growth
- 9. Exhibit homeostasis
- 10. Capacity to evolve
are viruses considered to be alive?
No, they do not have cells, and cannot reproduce if not feeding on a host.
7 steps of the scientific method (IN ORDER!)
- 1.State the Problem
- 2.Gather Information
- 3.Form a hypothesis
- 4.Test the hypothesis
- 5.Analyze Data
- 6.Make a conclusion
- 7.Report Results
Unchanged, like time
Dependent on something else
a regular situation
8 categories of the current classification system?
Characteristics of Archea
- under extreme conditions
characteristics of Bacteria
- all prokaryotic,
- some do photosynthesis some are decomposers
characteristics of Eukaryota
- both autotrophs and heterotrophs
Which electrons are involved in bonding?