The answer to this question is fish as fishes were the first invertbrates to evolve.
Either. A stick insect is an insect, and invertebrate and is not related to mammals or birds. Birds and mammals are more closely related to each other than they are to insects.
All are living creatures.
Birds are... birds. I think there are 4 categories. Mammals, Amphibians, Reptiles, Birds.
mammals,birds ,insects,primates , and sea creatures
Biosphere
Yes. As a rule of thumb; all animals are ectotherms except for mammals and birds.
Not all creatures are insects. Insects are a specific class of arthropods characterized by having six legs, a three-part body (head, thorax, abdomen), and typically two pairs of wings. While insects make up a significant portion of the animal kingdom, there are many other types of creatures, such as mammals, birds, reptiles, and amphibians, that do not fall into the insect category.
Birds bats spiders frogs and snakes. Also other kinds of insect eating animals
Of course not ...no birds are mammals !!!!!!!!!!!No, they are birds.
Any flower that is pollinated by an animal (not insect); pollinators include birds, bats, small mammals etc.
they are usually short (compared to other types of animals like mammals reptiles birds etc.)
Warm blooded creatures include mammals and birds. A buffalo is a mammal, so yes.