How earth is formed ? And also discuss in detail how mammals become human.
Answers
Answer:
When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun
The characteristics that make a mammal a mammal include the presence of hair or fur, warm-blooded, young born alive, mammary glands and complex brain. 5) it has a larger and more complex brain than any of the other animal groups. 1. Mammals are the only kind of animals that feed milk to their young
Humans are classified as mammals because humans have the same distinctive features (listed above) found in all members of this large group. Humans are also classified within: the subgroup of mammals called primates; and the subgroup of primates called apes and in particular the 'Great Apes'