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20 Cards in this Set
- Front
- Back
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what things are organized, grow, and develop, reproduce, respond, maintain certain internal conditions, and use energy |
living things |
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things that have all the characteristics of life |
organism |
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the smaller unit of life |
cell |
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living things that are made up of only one cell |
unicelleular |
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living things that are made up of two or more cells |
multicellular |
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living things with more than two or more cells have a greater level of _____________. Why |
organizations. because groups of cells function togethers |
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living things grow by increasing ? |
cell size or increasing cell number |
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the changes that occur in an organism during its lifetime |
development |
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process by which one organism makes one or more new organisms |
reproduction |
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some organisms must have ? to reproduce |
mate |
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can some organisms reproduce with out a mate? |
yes |
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all livings can __________ to changes in the envionment |
respond |
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all living things can respond to changes in the enviroment. These changes are called ? |
stimuli |
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hunger and thirst are examples of? |
internal stimuli |
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light and temperature are examples of ? |
external stimuli |
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organisms ability to maintain steady internal conditions when outside conditions change |
homeostasis |
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maintaining conditions ensure ? |
funcient |
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when your outside environment become too hot or too cold, how does your body respond? |
sweating, shivering, or changing the flow of blood to maintain a body temperature of 37 degrees C |
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cells continuously use ? |
energy |
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for most organisms, the energy they use originally came to earth from the ? |
Sun |
