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26 Cards in this Set
- Front
- Back
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controlled experiment |
this uses only one variable |
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a limitation (weakness) of models |
they are different from the real things they are modeling |
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grams |
a unit of measure. It is useful for determining the mass of an object. |
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milliliter |
a part of the International System of Units. It is mostly used for measuring liquids. |
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scientific method |
a series of steps scientists follow to solve a problem |
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phospholipids |
molecules that form much of the cell membrane |
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water |
most of the chemical reactions involved with metabolism need to have this. |
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ATP |
the molecule that provides energy for cellular processes |
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fewer predators |
One of the benefits to being a larger organism is that you have ..... |
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organ system |
the highest level of organization |
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instructions for how to make protein |
a cell's nucleus contains DNA which carries the genetic material with this? |
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cellular respiration |
The process by which cells use oxygen to produce energy from food. |
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photosynthesis |
This allows a plant to produce food (glucose) |
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wastes |
All organisms need to get rid of this in order to live |
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carbon dioxide |
This is released during cellular respiration |
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DNA |
the materials that controls all cell activities |
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genes |
each parent gives one set of these to the offspring |
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trait |
different forms of a characteristic |
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sexual reproduction |
this produces offspring that are different from(not exactly identical to) each parent |
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deletion |
In this type of mutation one base is left out. |
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a protein |
each gene has instructions for making this |
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homeostasis |
a stable internal environment |
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cardiac muscle |
this type of muscle is found only in the heart |
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a tissue |
a group of cells that are alike and work together |
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intestines |
This organ is used along with the stomach to digest food. |
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respiratory and cardiovascular |
these systems work together during the process of of respiration |
