Question

write two types of adaptations you find in marine ecosystems different from freshwater

Answer 1

Ans.

Marine ecosystems include aquatic ecosystems of Earth, having water with a high salt content. Estuaries, salt marshes, ocean floor or deep sea are examples of marine ecosystem. Two adaptations shown by organisms that live in marine ecosystem differ form organisms that live in freshwater ecosystem are given below:

1. Marine organisms have ability to maintain water and salt balance, as they intake frequent amount of salt with water. They are adapted to excrete excess amount of salts and retain water.

2. Sea water has more buoyancy than freshwater. Thus, marine organisms have a higher amount of fat in their body (nearly one-third of their body weight) that helps them to remain buoyant in seawater.

Answer 2

Adaptation in marine and freshwater ecosystem

Explanation:

Adaptation is referred to the feature that is present in an organism that ensures the organism to live and survive in a particular habitats.

Marine ecosystem-

• The marine ecosystem is different from fresh water ecosystem as it contain salt which is helpful for certain aquatic fishes for breeding or to survive in that ecosystem.

• It contain the world's most diversified life forms and distinctive environmental conditions.
• Sea water has much density than air and thus it contain large amount of micro organisms as well as bivalves,Dolphin etc.

Fresh water-

Fresh water is free from salinity and thus it contain certain aquatic species that are adapted to this ecosystem.

They require fresh water environment to reproduce and to survive as they can't tolerate 1% salinity.