Since marine life is either freshwater or marine, estuaries play little importance in aquatic ecosystems.

True or false?

Answer: TRUE

Estuaries are the wetlands that receives water from rivers or any other freshwater source and also from ocean. Therefore, the type of water freshwater or saline water present in the estuary depends upon the drainage of water from these two sources. The estuary ecosystem is drastically affected by the changes that occur in the salinity levels. Therefore, the animals which are not tolerated to high salinity levels cannot survive.

Hence, Since marine life is either freshwater or marine, estuaries play little importance in aquatic ecosystems is true.

Answer: The given statement is False.

Explanation: Estuaries are very important for the aquatic ecosystem as it has a variety of species. They provide a critical habitat for most of the species that are valued economically.

The birds, animals, amphibians, fishes and other aquatic animals depends on the estuaries for breeding, live and feed.

The animals such as oysters make estuaries their permanent home.

Hence, marine life also depends on estuaries for their need and they are very important for the ecosystem.