Birds and Mammals

Mammals are the only animals that

• have four-chambered hearts.

• are endothermic.

• feed their young with milk.

• can communicate.

Which of the following is a marsupial?

• 
• 
• 
• 

One adaptation that helps provide a bird with a rich supply of oxygen is its

• air sac.

• gizzard.

• crop.

• contour feathers.

Carnivores have large, sharp

• incisors.

• molars.

• premolars.

• canines.

Which of the following is a monotreme?

• 
• 
• 
• 

Which animal does NOT maintain a steady internal temperature?

• 
• 
• 
• 

Which adaptation assists the bird in the crushing and grinding of food?

• beak

• gizzard

• crop

• stomach

What inference can be made by observing the beaks of different bird species?

• the habitat of the bird

• the flight pattern of the bird

• the sex of the bird

• the food the bird consumes

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Female placental mammals develop a placenta during pregnancy in order to

• help them lay their eggs.

• trap heat and survive cold winters.

• pass materials between the mother and the developing embryo.

• conserve water and survive periods of drought.

All of the following are placental mammals EXCEPT the

• 
• 
• 
• 

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2