Concept explainers
To identify:
The three adaptations that helped amphibians leave water for life on land.
Introduction:
Amphibians are the animals that belong to the class amphibia of the phylum Chordata. Amphibians are vertebrates that live both on land and water. They are the first cold-blooded animals to have appeared on land. Most species of amphibians live close to water or in damp places.
Explanation of Solution
Three adaptations that helped amphibians leave water for life on land are given below:
- Adult Frogs have complex skeletal and muscular systems. The systems developed according to their needs. The reveals that they are built-in ways particular to the needs of each. The skeletal and muscular systems are built mainly for jumping on land.
- To live on land, amphibians replaced gills with another respiratory organ, the lungs.
- Eyelids in the frogs allow them to adapt tovisionon land and an eardrum developed to separate the external ear from the middle ear.
Development of lung, presence of eyelids and development of complex skeletal and muscular systems allow frogs to live on land.
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