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32 Cards in this Set
- Front
- Back
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Cells
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the smallest unit of all living things.
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unicellular
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made of only one cell
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multicellular
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made of many cells
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Where does all energy come from?
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the sun
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growth
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an increase in size and number of cells
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lifespan
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length of an organism's life
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metabolism
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the total of all chemical processes in an individual
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digestion
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the process of breaking down food into simple substances
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respiration
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process of combining food with oxygen to obtain energy
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homeostasis
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the balance of all chemical processes in the body
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reproduction
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process of producing a new organism
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What are the two types of Reproduction?
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Sexual and Asexual
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Sexual Reproduction
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involves the joining of egg and sperm to produce a seperate, new individual
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Asexual Reproduction
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when a single organism produces a new offspring
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Extinction
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when members of a group fail to reproduce successfully and the group is eliminated
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Stimulus
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a change that causes a reaction
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Response
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a reaction to a stimulus
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What can animals do?
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run or crawl
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What can plants do?
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grow towards the sun
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What does roots do?
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grow down into the soil
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International System of Measurement/Metric System
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the system of measurement used in science
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The Metric System is based on multiples of what?
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10
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What is the standard unit of length?
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the meter
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weight
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the measure of the gravitational pull on an object
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mass
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the amount of matter in an object
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Volume
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the amount of space an object takes up
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What is the standard unit of volume?
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liter
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What is used to measure volume?
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a graduated cylinder
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What is temperature measured in?
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degrees Celsius
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Water freezes at what degrees Celsius?
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0 degrees Celsius
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Water boils at what degrees Celsius?
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100 degrees Celsius
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What is the body temperature?
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37 degrees Celsius
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