Birds Notes

Draw

Based on our research and knowledge of the past week, draw where you would add dinosaurs to this cladogram. (Be ready to back up your answer)

Multiple Choice

Modern birds don't have ________________.

• 2 Legs

• Ears openings

• Teeth

• Claws

Multiple Choice

What are the two groups of warm-blooded vertebrates, mammals and ________?

• Birds

• Amphibians

• Reptiles

Multiple Choice

Which of the following is NOT a characteristic of birds?

• Forelimbs modified into wings

• Scaly feet

• 3-chambered heart

• Feathers

Multiple Choice

Which of the following is NOT a characteristic of all birds?

• they have two legs

• they have an outer covering of feathers

• they can fly

Multiple Choice

These longer feathers cover the bird and help insulate it, especially from water.

• contour feathers

• down feathers

• quill feathers

Multiple Select

Which of the following are parts of a feather's structure?

• Shaft

• Barbule

• Vane

• Femur

Multiple Choice

Birds preen by spreading ______________ on their feathers, which makes them waterproof.

• Water

• Sand

• Vasoline

• Oil

Multiple Choice

Birds bones are _____________________.

• Solid

• Made of sandstone

• Hollow

• Heavy

Multiple Select

Which of the following are functions of air sacs in birds?

• Store air

• Redirect airflow

• Increase oxygen efficiency

• Digest food

Multiple Choice

Which of the following is responsible for mechanical digestion in the bird's digestive system?

• Gizzard

• Proventriculus

• Crop

• Cloaca

Multiple Choice

What is the scientific class to which birds belong?

• Aves

• Mammalia

• Reptilia

• Amphibia