Question

Why are mammals considered as the advanced animals?

Answer 1

• Mammals are animals that belong to the phylum Chordata.
• Mammals are characterized by the presence of mammary glands which are used to feed their young ones.
• They also have hair on their bodies and sweat and oil glands inside their skin.
• They also possess a four-chambered heart and have very well-developed digestive, reproductive, urinary, and reproductive systems.
• The characteristics that mammals possess are the most advanced or the most developed amongst all classes of chordates.
• Hence, mammals are considered to be the most advanced animals in the entire animal kingdom.