What are some adaptations in estuaries?

Answer 1

Animals who live in estuaries must adapt to the constant change of salinity of the water around them. Because of tides, salt water and fresh water mix in different concentrations throughout a period of time, and organisms must be able to handle this.

Answer 2

Because at one end of the estuary is the Sea which has salt water and at the other is the river which has fresh water. Along the estuary as the two waters mix, there will be varying levels of salt in the water and these will change as the tide goes in and out and the river periodically floods. Organisms living at one location on the estuary therefore have to be able to deal with varying levels of salt in the water that surrounds them.

Answer 3

Some common adaptations in estuaries include the ability to tolerate fluctuating salinity levels, such as having specialized gills or excreting excess salts. Organisms may also possess burrowing or anchoring structures to navigate shifting sediment, and some species have developed camouflage or protective coloration to avoid predators in the murky waters. Additionally, estuarine organisms may have specialized feeding behaviors to exploit the diverse food sources present in the ecosystem.

Answer 4

many species of algae,salt-tolerant grasses,shrimp,crabs,clams,oysters,snails,worms,and fish

Answer 5

http://oceanservice.noaa.gov/education/kits/estuaries/estuaries07_adaptations.html

Answer 6

All organisms must adapt to the environment in which they live. Organisms in an estuary have special adaptations to survive in both fresh and sea water.

Answer 7

Organisms have to have salt gland to be able to survive. Some glands can be small or large.