Term
| how are species related to the concept of biodiversity? |
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Definition
| species make up biodiversity and effect the areas of biodiversity |
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Term
| how do the characteristics of living things contribute to an organisms survival? |
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Definition
| certain species are designed to survive and adapt to certain areas |
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Term
| why is homeostasis essential for living things? |
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Definition
| because cells function best with a limited range of conditions |
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Term
| what is the difference between an independent and dependent variable? |
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Definition
| independent is a condition that is manipulated or changed by a scientist. dependent is observed and measured during an experiment: exparimental data. |
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Term
| what distinguishes one element from another? |
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Definition
| the number of protons they have |
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Term
| what distinguishes one element from another? |
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Definition
| the number of protons they have |
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Term
| how does a molecule differ from atom? |
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Definition
| a molecule it two or more atoms put together. an atom is the smallest basic unit of life. |
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Term
| what determines weather a compound will dissolve in water? |
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Definition
| the charge of the ions. if the charges of the h2o molecules attract the charge of the ions they will dissolve |
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Term
| what is the differant between an acid and a base? give an example of each. |
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Definition
| an acid is a Collins that releases a proton (H+) when it dissolves in water: stomach acid. a base is a compound that remove H+ ions from a solution: blood |
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Term
| how do polar and nonpolar molecules differ? |
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Definition
| polar molecules have regions with positive areas and negative charged areas. nonpolar don't have these charges |
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Term
| what is the relationship between a monomer and a polymer? |
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Definition
| a monomer is a subunit in a molecule, when monomers are linked together they make molecules called polymers |
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