Since they lack adaptations for life in water, animals born on land usually need to learn how to swim.
Adaptations are special features and modifications in structure of an organism which helps the organism to be better suited to survive and reproduce in its environment.
All organisms have features that help them survive in their environment.
Land organisms usually have feet to walk on land.
Aquatic organisms have parts that help them swim in water.
Therefore, based on adaptations to their habitat, animals born on land usually need to learn how to swim.
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