7.1A Birds: Designed for Flight

What is plumage referring to on a bird?

• feathers

• alula

• crop

• gizzard

What is the point where the bird's powerful flight muscles connect?

• keel

• alula

• pectorals

• gizzard

The _______________ is the largest flying bird. ( Must be spelled correctly.)

A bird's bill/beak are made of ____. (Must be spelled correctly.)

What is the retractable group of feathers on the front of the wing of a bird called?

• crop

• pectorals

• keel

• alula

How many chambers are in a bird's heart?

• 1

• 2

• 3

• 4

How many times does a bird inhale and exhale to move each breath of air through its respiratory system?

• 1

• 2

• 3

• 4

What are the most important flight muscles?

• crops

• keels

• pectorals

• alulas

The tiny tubes that allow air to flow through the lungs of a bird instead of just in and out are called ___ ___________. (Must be spelled correctly.)

What is the storage sac in the esophagus of a bird called?

• crop

• alula

• gizzard

• keel