1. ADAPTATION IN AQUATIC PLANTS AND ANIMALS

2. ADAPTATION IN AQUATIC ANIMALS

3. ADAPTATION IN AQUATIC PLANTS
Aquatic plants have very short and small roots whose main function is to hold the plant in place.
The stems of aquatic plants are soft, hollow and light having large spaces.
The submerged aquatic plants have narrow and ribbon like leaves which bend in the flowing water of rivers and streams and hence do not obstruct the flow of water

4. Different types of aquatic plants and their adaptive features

6. OTHER ADAPTATIONS IN SUBMERGED OR UNDERWATER PLANTS
The submerged plants lack strong water transport system and the water ,nutrients and gases are mainly absorbed through body surface directly from water.
Roots very reduced or absent ,required for anchorage .

7. AQUATIC PLANTS

8. Animals adapted to live both on land and water: amphibians

9. Animals adapted to live both on land and water :Ex Frog
Frogs are adapted to live in water as well as on land.
Frogs have webbed back feet which help them to swim in water.
Frogs have strong back legs for hopping and catching their prey.