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14 Cards in this Set
- Front
- Back
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Organism |
Any living thing |
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Cell |
The basic unit of structure and function in living things. The building block of life. |
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Unicellular |
A single-celled organism. An organism with only one (1) cell. |
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Multicellular |
An organism made of many cells *multi means many* |
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Stimulus |
Any change or signal in the environment that can make an organism react in some way |
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Response |
An action or change in behavior that occurs as a result of a stimulus |
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spontaneous generation |
The mistaken (incorrect) belief that living things arise from nonliving sources. Ex: Rotten Meat turns into Maggots |
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Francesco Redi |
Designed a controlled experiment with meat in a closed jar to disprove spontaneous generation. |
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Louis Pasteur |
Designed a controlled experiment with broth in a swan neck flask to disprove spontaneous generation |
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Autotroph (Producer) |
An organism that makes its own food (Example: plants) |
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Heterotroph (Consumer) |
An organism that cannot make its own food and needs to eat other organisms. (Example: all animals) |
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Homeostasis |
The maintenance of stable internal conditions. Keeping things inside the body the same even though things are changing outside. |
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4 Needs of Living Things |
1. Water 2. Food 3. Space 4. Homeostasis |
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8 Characteristics of Living Things |
1. Cells 2. DNA 3. Reproduce 4. Grow 5. Respond to Stimuli 6. Adapt Over Time 7. Energy 8. Internal Balance |
