(a) What is meant by aquatic animals and terrestrial animals?
(b) From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?

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Solution

(a)Aquatic animals are the animals which survive in water. They can't survive if they are out of the water. Example:- fishes, Dolphins

Terrestrial animals are the animals which survive on the earth. Example:- tiger, lion.

(b) Aquatic animals get oxygen which is dissolved in water.

Terrestrial animals get oxygen that is released into the atmosphere by the green plants.

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Q. (a) What is meant by aquatic animals and terrestrial animals?
(b) From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?

Q. What is meant by aquatic animals and terrestrial animals?

Q. Aquatic animals breathe at a slower rate than the terrestrial animals.

Q. Assertion: Aquatic animals have a faster breathing rate as compared to terrestrial animals.
Reason: Dissolved oxygen concentration is lesser than the atmospheric oxygen.

(a) Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans ?
(b) What type of arrangement exists in the bodies of large animals to meet their oxygen requirements adequately ?
(c) What advantage a terrestrial animal has over an aquatic animal with regard to obtaining oxygen for respiration ?

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(a) What is meant by aquatic animals and terrestrial animals? (b) From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?

(a) What is meant by aquatic animals and terrestrial animals?
(b) From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?