The Murrel (korramatta) and Rohu are fishes found in rivers. Will they be able to live in the Coringa ecosystem? Give reasons for your answer. (AS 2)

Write the effect of temperature on the organisms adapted in a lake and pond in a tabular form. (AS1)

Amphibians are wonderful creatures on the earth. How do you appreciate their adaptation? (AS 6)

The Murrel (korramatta) and Rohu are fishes found in rivers. Will they be able to live in the Coringa ecosystem? Give reasons for your answer. (AS 2)

Visit a nearby pond or a lake. Record the organisms you have observed and their adaptations? (AS 4)

What special adaptations can be seen in the following organisms? (AS1)

a) Mangrove trees

b) Camel

c) Fish

d) Dolphins

e) Planktons

Collect some aquatic plants- cut the leaves and stems Observe them under microscope and record your observations like air presence /absence of air spaces etc. and answer the below. (AS 3)

a) Why do they float on water?

b) What make them float?

c) Are there any other reasons for their floating?

d) Draw a diagram of what you have observed under microscope?

If an animal of euphotic zone has to survive in abyssal zone, what adaptations are required to survive there? (AS1)