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ch.7 voc
| word | definition |
|---|---|
| wetland | areas where land is periodically underwater |
| plankton | organisms that cannot swim against currents |
| nekton | free swimming organisms |
| benthos | bottom dwelling organisms |
| littoral zone | a shallow zone in a freshwater habitat where light reaches the bottom and nurtures plants |
| benthic zone | the bottom region of oceans and bodies of fresh water |
| eutrophication | an increase in the amount of nutrients |
| estuary | an area where fresh water from the river mixes with salt water from the ocean |
| salt marsh | a maritime habitat characterized by plants that have adapted to continual periodic flooding |
| mangrove swamp | a tropical or subtropical marine swamp that is characterized by the abundance of low to tall trees |
| barrier island | a long ridge of sand or narrow island that lies parallel to the shore |
| coral reef | a limestone ridge found in tropical climates and composed of coral fragments that are deposited around organic remains |