Question

imagine you are a scientist and you have seen an animal first time. it has back like ducks have fur on its body, lays eggs and feeds its babies with milk.what kind of vertebrate do you think this animal is?​

Answer 1

Although lactation and nursing is more commonly associated with mammals, some other animals—like these jumping spiders—do the same thing. Zebras, bats, and bears do it. So do whales, tigers, and humans. These animals all nourish their newborn offspring with milk.