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Definition
| Animals in the phylum Cnidaria; they have radial symmetry, tissue-level organization, and tentacles with nematocysts, specialized stinging structures. |
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Term
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Definition
| The sessile, sac-like stage, with the mouth and tentacles on top. |
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Definition
| The swimming, bell-like stage, with the mouth and tentacles underneath. |
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Definition
| Primary producers and consumers that drift with the currents |
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Term
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Definition
| Dinoflagellates that live within animal tissues. |
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Term
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Definition
| The living together in close association of two different species, often divided into parasitism, where on species benefits at the expense of the other; commensalism, where one species benefits without affecting the other; and mutualism, where both species benefit. |
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Term
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Definition
| CO2+ H2O+ sun energy --> organic matter + O2 |
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Definition
| Particles of dead organic matter. |
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Term
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Definition
| Red algae that deposit calcium carbonate in their tissues. |
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Term
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Definition
| Small, colonial, encrusting animals that make delicate, often lace-like shell. |
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Term
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Definition
| A complicated set of calcium carbonate teeth and associated muscles that is found in sea urchins. |
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Term
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Definition
| The steadiest winds on Earth, blow from latitudes of about 30 degrees toward the Equator. |
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Term
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Definition
| The slow sinking into the mantle of a part of the earth's crust that contains a landmass |
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Term
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Definition
| The conversion of carbon from an inorganic form, carbon |
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Term
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Definition
| Animals in the phylum Cnidaria; they have radial symmetry, tissue-level organization, and tentacles with nematocysts, specialized stinging structures. |
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Term
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Definition
| The sessile, sac-like stage, with the mouth and tentacles on top. |
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Term
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Definition
| The swimming, bell-like stage, with the mouth and tentacles underneath. |
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Term
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Definition
| Primary producers and consumers that drift with the currents |
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Term
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Definition
| Dinoflagellates that live within animal tissues. |
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Term
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Definition
| The living together in close association of two different species, often divided into parasitism, where on species benefits at the expense of the other; commensalism, where one species benefits without affecting the other; and mutualism, where both species benefit. |
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Term
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Definition
| CO2+ H2O+ sun energy --> organic matter + O2 |
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Term
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Definition
| Particles of dead organic matter. |
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Term
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Definition
| Red algae that deposit calcium carbonate in their tissues. |
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Term
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Definition
| Small, colonial, encrusting animals that make delicate, often lace-like shell. |
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Term
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Definition
| A complicated set of calcium carbonate teeth and associated muscles that is found in sea urchins. |
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Term
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Definition
| The steadiest winds on Earth, blow from latitudes of about 30 degrees toward the Equator. |
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Term
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Definition
| The slow sinking into the mantle of a part of the earth's crust that contains a landmass |
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Term
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Definition
| The conversion of carbon from an inorganic form, carbon dioxide, into organic matter by autotrophs, that is, the production of food. |
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Term
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Definition
| The conversion of nitrogen gas into nitrogen compounds that can be used by primary producers as nutrients. |
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Term
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Definition
| The elimination of one species by another as result of competition |
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Term
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Definition
| The combination of what a species eats, where it lives, how it behaves, and all the other aspects of its lifestyle. |
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Term
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Definition
| Water-filled tubes possessed only by echinoderms, many of which end in a sucker and can be extended and contracted to grip things and to move around. |
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Term
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Definition
| Molluscs whose shells consist of eight overlapping plates on their upper, or dorsal, surface. |
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Term
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Definition
| A symbiont that is not completely dependent on its partner and can live outside the symbiosis. |
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Term
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Definition
| One that depends on its partner and does not occur outside the symbiosis. |
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