What is the primary function of a bird's wings?

• To help them swim

• To help them fly and escape predators

• To help them dig for food

• To help them climb trees

How does a turtle's shell function in its survival?

• It helps the turtle swim faster

• It acts as a shield against threats

• It helps the turtle climb trees

• It helps the turtle find food

Which animal structure is used for feeding and social interaction?

• A bird's beak

• A fish's fin

• An elephant's trunk

• A turtle's shell

Explain how the structure of a fish's fins helps it survive in its environment.