Salinity
When temperature gets too high what can happen to corals?
They can bleach
What is osmoregulation?
Which water is more dense: Freshwater or Saltwater?
Saltwater
What is coral bleaching?
When corals become too stressed they spit out the algae living inside of them.
What organs are involved in osmoregulation?
Gills
Kidneys
Skin
34ppt, 21ppt, 45ppt, 15ppt
15ppt
21ppt
34ppt
45ppt
Corals and Zooxanthellae have a __________ relationship. Meaning they both benefit.
Mutualistic
When a fish has a higher salt content than the environment it is in a ___________ state.
When a fish has a lower salt content than the environment it is in a ___________ state.
When a fish has an equal salt content to the environment it is in a ___________ state.
Hypotonic
Hypertonic
Isotonic
What is the phenomenon that is caused by a rapid change in salt and can be visible?
Halocline
What do corals get from zooxanthellae?
AND
What do zooxanthellae get from corals?
energy / nutrients
AND
Protection
What kind of cell in the gills are specialized to help get rid of salt?
Chloride Cells
Why does an area like Long Island Sound have a lower salinity than the open ocean?
The river with freshwater mixes with it.
What are the outcomes of Coral Bleaching?
The corals can die OR they can become healthy again when the conditions get better.
What is the difference between the urine of freshwater fish and saltwater fish?