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marine bio
| Question | Answer |
|---|---|
| Area Along the Shore where the river enters the ocean | estuary |
| freshwater mixed with salt water | brakish water |
| three types of estuaries | salt marsh, mud flat, mangrove swamp |
| zonation | bands of different communities |
| name thre three zones | intertidal, mid-intertidal, lower intertidal |
| name the life zones | supratidal,intertidal, subtidal, neritic zone,oceanic zone, benthic zone |
| upper beach; salt sprays from crashing waves; beach plants, grasses, shrubs, and trees | Supratidal zone |
| Turbulent area between high and low tide | intertidal zone |
| Below interitdal zone | Subtidal zone |
| Above the continental shelf,Shallow part of sea floor that surrounds continents, Main area of commercial fishing | nertic Zone |
| Extends beyond the Neritic zone,Contains more life due to photosynthesis by algae | oceanic zone |
| inclides the ocean floor | benthic zone |
| three characteristics of sandy beach environment | loose unstable sand, large surf, surf zone not fixed(moves with tide) |
| Cnidoblast | stinging cells |
| largest worm in the ocean? | ribbon worm |
| circulation | Open: slow-movers (snails and clams),Closed: fast-movers (octopi and squid) |
| two main whale classifications | baleen and toothed |
| gastropods | snails and slugs |
| what attach mussels to rocks | byssal threads |
| keeps 2 shells closed in bivalves | adductor muscles |
| what are the four parts of the mollusk body? | Foot,Shell,Mantle,disimal mount |