Birds Review!

Which of the following is true of the Class Aves?

• It is monophyletic.

• It is polyphyletic.

• It is paraphyletic.

• It is macrophyletic.

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NGSS.MS-LS4-2

Which of the following apply to ALL birds? (Check all that apply!)

• Amniotic eggs

• Dioecious

• Three-chambered heart

• Ability to fly

What group are birds most closely related to?

• Dinosaurs

• Amphibians

• Turtles

• Humans

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NGSS.MS-LS4-1

How does the egg of a bird compare to that of a reptile?

• Reptiles have amniotic eggs and birds don't

• Birds have amniotic eggs and reptiles don't

• Bird eggs have a hard shell while a reptile's shell is leathery

• Reptile eggs have a hard shell while a bird's shell is leathery

How are the teeth of birds unique?

• Birds don't have teeth.

• Bird teeth are thecodont teeth mounted in sockets.

• Their teeth are different depending on what they eat.

• Their teeth are hollow to make them more lightweight.

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NGSS.MS-LS4-2

Which is NOT true of a bird's limbs?

• They are tetrapods.

• Their forelimbs are modified into wings.

• Their hindlimbs are modified into fins.

• Their hindlimbs typically don't have feathers.

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Which best describes birds?

• Endothermic

• Ectothermic

• Endotrophic

• Ectotrophic

Which body system besides the skeletal system are the bones of birds also a part of?

• Digestive system

• Respiratory system

• Nervous system

• Integumentary system

Birds are said to have pneumatic bones because they contain

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NGSS.MS-LS4-2

What structures help provide strength in the pneumatic bones of birds?

• Struts

• Synsacrums

• Barbs

• Leks