Marine biology test Word Scramble
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Question | Answer |
What caused ocean levels to rise and estuaries to be formed? | glaciers during the ice age |
Most common substrate of an estuary and why? | muddy because there is not a lot of oxygen production |
Why does an estuary have functioning salinity levels? | water is being mixed by the tides constantly (affected by the tide) |
euryhaline | Species that can tolerate a wide range of salinities |
stenohaline | Species that can tolerate a narrow range of salinities |
brackish | water that is less salty than seawater but saltier than fresh water |
where are salt marshes found? | temperate climates |
know the function of pneumatophores on the black mangroves | allows for more exposure to oxygen so they can absorb more |
If your surrounded by white mangrove trees are you at low, middle, or high elevation? | high elevation |
Why do some bacteria do really well in a mudflat? | Can feed on decomposing matter where there is not a lot of oxygen |
Why are there very few microscopic species living at the surface of a mudflat? | Die from exposure and exposed to more predators. No place for them to cling to. |
Relationship between shore birds beak and the buried depths of different organisms | Different lengths of beaks keeps them from fighting for foods |
Why is a channel a good place for babies to live? | Predators stay away from shallow water, narrow place, more plankton for the fish |
As a rule, do estuaries provide less or more than is needed to live there? | Provide more than is necessary; Outwelling - excess organic matter that flows out into another ecosystem |
Created by:
a.allsup
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