Encircle the odd one out. Give reasons for your choice.
Fur on the body
Explanation of correct option:
1. Option D:.Fur on the body
Mountain animals have fur in the body which helps to protect them against the chilly winter climate
Explanation for incorrect options:
2. Option A: Wings
Wings are present in a bird’s body that help them to fly.
3. Option B: Hollow bones
Hollow bones are present in a bird's body. It has air cavities inside the bone which make their body light and they are able to fly.
4. Option C: Feathers
Feathers are also present in a bird’s body; feathers keep birds' body warm.
Final answer: Fur is present on the body of mountain animals because it is present in Mountain animals, while wings, hollow bones, and feathers are present in the birds' body.