Respuesta :
Answer:
warm blooded, hair or fur, live birth(except for a few exceptions)
Explanation:
All mammals are warm blooded and have fur or hair or something similar. All mammals give live birth except platypus. And a common origin point around the triassic period.
Answer:
Humans are mammals, and mammals are defined by having a certain set of anatomical homologies. Think about some familiar mammals. What are some homologous structures that are shared by all mammals? List them
Homologous structures are structures which originated from the same ancestor or origin but may perform different function. e.g the forelimbs of human, bat, cat, whale all has the similar ancestor or originated from the same source.
Structures such as humerus, phalanges, metacarpals, ulna, radius among others all originated from the source (ancestor).
Explanation: