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20 Cards in this Set
- Front
- Back
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characteristic
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a distinguishing or important trait
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organism
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a living thing
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unicellular
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consisting of only one cell
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multicellular
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consisting of two or more cells, or many cells
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vertebrate
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organism with a spinal column
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invertebrate
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organisms with no spinal column (97% of all species!)
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toxic
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poisonous, harmful
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hardy
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strong, sturdy
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excrete
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to discharge or expel waste matter
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nitrogenous
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containing or related to nitrogen
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euryhaline
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able to tolerate wide ranges of salinity
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brackish
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a mix of salt and fresh water
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marine
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related to the ocean
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biology
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the science of living things
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an instrument that measures the concentration of dissolved salt in water
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hydrometer
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another word for "the concentration of dissolved salt in water
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salinity
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non-living parts
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-ammonia
-waste products -nitrite -nitrate |
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living parts
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-fish
-nitrosomonas -nitrobacteria |
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what is another way of saying the nitrogen cycle?
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nitrification cycle
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Characteristics of living things
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-reproduce and grow
-change over time -respond to their surroundings -have limited lifespans -need water and a source of energy -repair injuries -move -have similar chemical "ingredients" are made of cells |
