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20 Cards in this Set
- Front
- Back
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scientist use experiments to test their_______which are possible explanation for observation.
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hypothesis
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______is defined as the amount of space something occupies.
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volume
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a life scientist would use an________to magnify a living specimen
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compound light microscope
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a set of related hypothesis that are supported by evidence may become accepted as a________
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theory
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_______is the use of knowledge, tools, and material to solve problems and accomplish task.
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technology
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when rashers use the scientific method, they should____________
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repeat or switch the orders of steps was needed.
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a scientist who wants to study the possible side effects of a new medicine would probaly__________
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include a control group that received no medicine
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which tool would a life scientist use to obtain a detailed image of the nerves that branch off a person's spinal cord
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an MRI
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this statement is not part of the cell theory
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all cells have a nucleus and a cell membrane
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a life scientist who studies the relationship between plants, animals, weather, and soil on a mountaintop is studying an
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ecosystem
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this is not found in plant cells
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lysosome
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this contains cellulose
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all plant cells
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this part of a cell manufactures lipids
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endoplasmic reticulum
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material that are to be released outside the cell are transported to the cell membrane in a small compartment that has a pinched off the__
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golgi complex
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this is not a characteristic of bacteria
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they have an endoplasmic reticulum
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in the cell membrane__________molecules form two layers
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phospholipid
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when a planarian worm is cut in half, each half develops into a whole worm. this is an example of__________ reproduction
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asexual
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e_______are sometimes called the blueprints of life
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nucleotides
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__________is the passing of traits from one generation to another
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heredity
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______refers to all of the chemical activities that an organism's cell perform
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homeostasis
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