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.
no but a bird is because it gives live brith
No, stick insects are not mammals.
insect
All but the insect are vertebrates.
mammal, you fool!
No of them, it is an insect.
The ostrich is a bird, a flightless bird.
no an insect is it own thing like there is mammal, bird, fish,insect,amphibian, reptile
None of them.
mammal, reptile, amphibian, insect, bird
A centipede is an insect.
It's an insect.
Baboons are mammals
mammal, fish, bird, reptile, amphibian, and insect