Which places have fresh water?

If a marine fish is placed in a fresh water aquarium will the fish be able to survive ? Why or why not ?

(b) Explain the first five stages of succession that takes place in fresh water ecosystem.

Among Brown algae,……….is a fresh water form .

Why is it easier for you to float in salt water than in fresh water?

Identify the odd-man out regarding "Indigenous or native fresh water fishes.".

Name the places where water is found as ice.

Name the places where water is found as ice.

Marine water prawn culture and Freshwater prawn culture. {: ( "Marine water prawn culture", "Freshwater prawn culture"),( "The rearing of marine penaied prawn is called marine prawn culture or shrimp culture.", "The rearing of freshwater prawn is called fresh water prawn culture."):}

Read the paragraph and answer the following question: You must be knowing about the high and low tides that occur regularly in the sea. The level of the sea water at any given location along sea shore increase and decreases twice a day at regular intervals. High and low tides occur at different times at places. The level of water in sea changes because of the gravitational force exerted by the moon. Water directly under the moon gets pulled towards the moon and the level of water there goes up causing high tide at that place. At two places on the earth at 90^(@) from the place of high tide, the level of water is minimum and low tides occur there. How many times the sea level at the coast change?