Front

What is a mammal?

Back

Mammals are warm-blooded animals that have hair or fur and usually give birth to live young. They also feed their young with milk.

Front

What is an endotherm?

Back

Endotherms are animals that can regulate their body temperature internally, maintaining a constant temperature regardless of the environment. Examples include mammals and birds.

Front

What is a characteristic of all mammals?

Back

All mammals have mammary glands that produce milk to feed their young.

Front

What is the difference between vertebrates and invertebrates?

Back

Vertebrates have a backbone, while invertebrates do not have a backbone.

Front

What are echinoderms?

Back

Echinoderms are a group of marine invertebrates that include starfish, sea urchins, and sea cucumbers. They are closely related to vertebrates.

Front

What is the main characteristic of invertebrates?

Back

Invertebrates do not have a backbone.

Front

What are some examples of endothermic animals?

Back

Examples of endothermic animals include mammals and birds.

Front

What is the significance of hair or fur in mammals?

Back

Hair or fur helps mammals regulate their body temperature and provides insulation.

Front

What is the role of mammary glands in mammals?

Back

Mammary glands produce milk to nourish and feed the young.

Front

What type of animal are humans classified as?

Back

Humans are classified as mammals.