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Definition
| relationship between abiotic and biotic |
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| all populations in a particular area |
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| all members of the same species |
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| animals whos babies can reproduce |
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| producers; make their own food |
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| What is at the bottom level of a trophic/energy pyramid? |
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| the system of organisms being eaten by other organisms |
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| many food chains in an area |
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| What is at the 3rd level of a trophic/energy pyramid? |
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Definition
| consumers (carnivors and omnivores) |
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| What is at the 2nd level of a trophic/energy pyramid? |
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Definition
| consumers (herbivores and omnivores) |
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| what are topo maps bound by? |
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| resperation, persperation, transpiration, urination |
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| Shows landforms by using contour lines |
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| mostly empty space; unique number of protons |
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Term
| what direction do the points of a river in a topo map point to? |
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Definition
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Term
| most mass of an atom is located in the... |
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Definition
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| vertical distance between contour lines |
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Term
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| 0 charge, mass= 1amu, atomic mass- protons |
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Definition
| average of all isotops; #p + #n, decimal number |
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Definition
| positive charge, mass= 1amu, #p= atomic # |
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| what holds the nucleus together? |
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| what determines the type of atom? |
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| negative charge, mass= 1/2000 amu, #e = #p |
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Definition
| negative ion (takes) negative charge |
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| positive ion (gives away) poitive charge |
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Term
| how do you find the charge of an ion? |
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Definition
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Term
| what happens when you add or subtract an electron? |
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Definition
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Term
| what happens when you add or subtract a proton? |
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Definition
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Term
| what happens when you add or subtract a neutron? |
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Definition
| an isotope (no change in charge) |
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Term
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| do chemistry; last electrons in the last energy level |
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| what is the trend of the size of an atom? |
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Definition
| moving from left to right on the p.t. it gets smaller |
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| what is the trend of the ionization energy of an atom? |
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Definition
| moving from left to right on the p.t. it increases |
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Term
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Definition
| ability to attract electrons |
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Term
| what is the trend of the electronegativity of an atom? |
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Definition
| increases towards flourine |
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