Mammal

Mammals are diverse animals found worldwide, characterized by traits like hair, mammary glands, and vertebrate structures. They have specialized teeth and three middle ear bones. Mammals regulate body temperature and have lungs for breathing. They are categorized into placental mammals, marsupials, and monotremes. The video concludes with a thought-provoking question about their dietary needs.

Which of the following is a characteristic that all mammals share?

• They lay eggs.

• They nurse their young with milk.

• They have scales.

• They have feathers.

What is a unique feature of mammals' teeth?

• They are specialized for different diets.

• They are constantly growing.

• They are all the same shape.

• They are made of wood.

What role does hair play in certain mammals like the polar bear?

• It aids in swimming.

• It conserves heat.

• It attracts mates.

• It helps them fly.

How do marine mammals breathe?

• By absorbing oxygen from water.

• With lungs, surfacing for air.

• Through their skin.

• Through gills like fish.

Which type of mammal gives birth to underdeveloped young that continue to grow in a pouch?

• Placental mammals

• Marsupials

• Monotremes

• Reptiles

Which of the following is NOT a type of mammal?

• Monotreme

• Marsupial

• Amphibian

• Placental

What is the primary reason mammals need to eat large quantities of food?

• To store fat for hibernation.

• To maintain their body temperature.

• To produce more offspring.

• To grow larger than other animals.