Birds and Mammals

Which of the following is true about both birds and mammals?

• they produce milk for their young

• they are vertebrates

• they all lay eggs

• they have hair

Endothermic means that an animal

• stays inside.

• produces its own body heat.

• cannot eat.

• has hair.

Most mammals are

• pouched/marsupials.

• egg-layers.

• scaly.

• placental.

Mammals with pouches belong to the following subclass (group):

• egg-laying

• vicious

• marsupial

• hoofed

Which structure provides oxygen and food to a developing mammal in the womb?

• mammary (milk) gland

• diaphragm

• placenta

• yolk

In placental mammals the mother’s blood goes into the developing baby.

• True

• False

In placental mammals if the mother puts bad stuff (alcohol) into her body it gets to the baby.

• True

• False

The teeth that are used for grinding are?

• incisors

• canines

• molars

• in front

The teeth that are used for gripping and tearing are?

• incisors

• canines

• molars

• premolars

The teeth that are used for cutting are?

• incisors

• canines

• molars

• premolars