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43 Cards in this Set
- Front
- Back
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Benthos |
Living on seafloor |
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More than how many species in the benthos region ? |
200,000 |
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What percent are epifauna what percent are infauna |
80:20 |
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Bipartite lifestyles are common here? |
True |
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Seaweeds are what kind of organisms |
Benthic |
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Seaweeds are what kind of organisms |
Benthic |
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Are seaweeds found in mud or sand? |
No there is no place for them to attach |
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Seaweeds are what kind of organisms |
Benthic |
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Are seaweeds found in mud or sand? |
No there is no place for them to attach |
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Seaweeds give oxygen? |
True |
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Types of seaweed |
Green brown and red |
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Animals of the rocky shore |
.... |
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Animals of the rocky shore |
.... |
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Supra littoral |
Adaptions to dessication Extremes of temp and salinity |
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Animals of the rocky shore |
.... |
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Supra littoral |
Adaptions to dessication Extremes of temp and salinity |
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Midlittoral |
Adaptions to dessication Wave energy, competition is extreme |
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Lower littoral |
Predation is common |
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Tide pools provide |
Refuge and a stable environment |
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The deeper the tide pool the more ? |
Stable |
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Tide pools allow organisms allow organisms to inhabit areas at ? |
Higher elevation than normal |
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Submerged rocky bottoms |
Always submerged Seaweed dominate Complex communities |
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Animals of the soft substrate |
.... |
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Animals of the soft substrate |
.... |
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Size and shape of sediment determine |
Quality of life |
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Animals of the soft substrate |
.... |
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Size and shape of sediment determine |
Quality of life |
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Infauna are responsible for? |
Bioturbarion or mixing |
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Environmental issues |
... |
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Environmental issues |
... |
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Overfishing has occurred for? |
Thousands of years |
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Environmental issues |
... |
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Overfishing has occurred for? |
Thousands of years |
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Impacts in environment include? |
Climate change Introduced species Mechanical habitat destruction Pollution Overfishing |
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Pollution includes? |
Noise Oil Contaminants Excess nutrients Flotsam Jetsam |
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Solid waste dumping is what percent dredged material |
25 |
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Seweage effluent said |
Until 1972 the law allowed discharge of anything until the body of water was polluted |
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Toxic ants definition |
Substances that degrade the environment and are harmful to organisms |
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Dead zones are caused by |
Large areas of hypoxia (low oxygen) |
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Earths climate is directly coupled to ? |
Oceanic processes |
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Jetsam |
Unwanted materials thrown over board from a ship and washed ashore |
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Jetsam |
Unwanted materials thrown over board from a ship and washed ashore |
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Flotsam |
The wreckage of a ship or its cargo found floating on or washed up by the sea |
