2020 Summary Quizziz

People are generally familiar with penguins from their appearance and posture on land.

• Yes, it is a point.

• No, it is not a point.

Out of the water they are usually awkward-looking birds.

• Yes, it is a point.

• No, it is not a point.

They seem to have long bodies on short legs, and their shoulders, or scapulae, are set low on their bodies.

• Yes, it is a point.

• No, it is not a point.

The bones of their wings are astonishingly flat and thin, giving them the profile of a boomerang.

• Yes, it is a point.

• No, it is not a point.

A penguin's natural stance is with bent knees and an 'S'-shaped neck.

• Yes, it is a point.

• No, it is not a point.

When they squat like this, they become almost round, which helps with heat conservation, but they can change their shape to a remarkable degree.

• Yes, it is a point.

• No, it is not a point.

When they stand up straight, they appear very slim, tall and elegant.

• Yes, it is a point.

• No, it is not a point.

When standing erect, they spread their webbed toes so that their 'heels' are above their toes, but they can 'sit' with their heels and their tail ends touching the ground.

• Yes, it is a point.

• No, it is not a point.

This triangular contact with the ground is a very stable arrangement. When seated on a low stool human leg bones are placed in a similar way, but penguins have more tail bones which they can sit on than humans do.

• Yes, it is a point.

• No, it is not a point.

In order to insulate their legs against the cold, most of their leg bones are enveloped by their bodies, which come down to their heels.

• Yes, it is a point.

• No, it is not a point.