These humans that you speak of belong to the placental group of mammals
yes
Llamas belong to the class Mammalia, along with other mammals such as humans, dogs, and cats.
No, humans are mammals and evolved from other primitive mammals.
No, not all mammals are placental. There are two other groups of mammals: the monotremes and the marsupials.Monotremes are egg-laying mammals, and marsupials are generally pouched mammals, although not all marsupials have fully developed pouches.
Humans and all other primates share a common mammalian ancestor from millions of years ago, a possum-like tree mammals. Mammals diversified to adapt to the different conditions they were faced with, becoming all the groups of mammals we see today.
Yes, humans are classified as animals in the classification key. We belong to the Kingdom Animalia along with other organisms that share certain characteristics like being multicellular, heterotrophic, and lacking cell walls.
because they have similar properties to the other elements in their groups
None.
Dogs belong to the group of placental mammals known as Canidae, which also includes wolves, foxes, and other related species.
Humans and Canines share, Kingdom: Animalia, Phylum: Chordata, Class: Mammalia. Both are mammals, and that's the least inclusive category the two share. Humans then belong to the Primate order, while canines belong to order Carnivora.
Like all the other weevils, the giraffe weevil is a beetle, and thus, belongs to the class Hexapoda.
Rodents have backbones, like all mammals. All animals with backbones belong to the phylum Chordata. Other animals that belong to Chordata besides mammals include reptiles, birds, amphibians, and three classes of fish.