Question

Assertion (A): Amphibians have gills as well as lungs for respiration. Reason(R): Amphibians were the first animals to come out of water.

Answer 1

The reason of the assertion is true

Explanation:

• Amphibian is the group of organisms which can live in both aquatic and terrestrial environment.
• The studies have shown that amphibians came out of the water in search of food million of years ago from the water.
• The amphibians spend most of the life in the aquatic environment and for the food they come out of water. They evolved and adapted to the terrestrial environment by forming the respiratory lungs along with gills.
• The species of frogs (amphibian) breathe in their larvae stage through gills and later through their lungs and skin.

Thus, true is the correct answer.

To learn more:

1. https://brainly.in/question/4346110

2. https://brainly.in/question/5311144

Answer 2

The reason and the assertion both are true.  

Assertion (A): Amphibians have gills as well as lungs for respiration.

Reason(R): Amphibians were the first animals to come out of water.

Explanation:  

• Amphibians are truly the first living organisms that came out of their aquatic habitat and started moving in the land.
• Therefore they needed organs that suited them for both the environment – aquatic and terrestrial.
• The reason which propelled these animals to come out of the water was their search for food. Therefore they have both gills to respire in water and lungs to respire inland.

Learn more about Amphibians:

Define or explain amphibians ?

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How many people think that Amphibians are just frogs?

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