Adaptations in Aquatic Ecosystems: Marine Ecosystem and Freshwater Ecosystem

Define marine ecosystem.

Choose the animal which perform camouflage.

Which of these options is related to the freshwater ecosystem.

Describe the freshwater ecosystem.

In water lilies, leaves are flat, have an oily surface with _____ present on the upper surface of the leaf.

The shallow zone near the shore is also called a _____ zone. 

Select the examples of the marine ecosystem from the following options:

Brightly-coloured Clownfish have adapted _____ relationship with Anemone.

Some of the fishes even have lung-like swim bladders to control their buoyancy.

Planktons have droplets of oil in their cells that keep them float.

Water lily has circular and wax-coated leaves which help in

Which of the following animals use only lungs to breathe?

Which plant part is reduced in size in aquatic plants? 

Animals like lantern fish, sponges, corals, etc., belongs to the sunlit zone or twilight zone or dark zone?

Euphotic, bathyal and abyssal zones, belongs to a marine ecosystem or freshwater ecosystem.

Write whether the following plant is terrestrial or aquatic.

Lotus-

During winter, the water in the lakes gets heated up and evaporates.

All freshwater and marine fish do not maintain a constant internal salt concentration, which is midway between that of freshwater and seawater.

The wading birds that have long thin legs and wander through the mud shallows searching for insects is/are:

Transparent or whitish bodied crustaceans like Daphnia, Cyclops, small Shrimps are also found in _____ zone.