All penguins are vertebrates because they have spines.
All birds have backbones so they are all vertebrates.
Emperor penguins ae vertebrates. They are birds, and all birds are vertebrates.
YES. They are vertebrates like us
Penguins, like all vertebrates, have lungs. They take a breath in, and then exhale.
invertebrates
vertebrates and invertebrates different?
They are vertebrates.
Vertebrates have spinal chord and invertebrates don't.
Vertebrates have spines & invertebrates do not have spines.
Invertebrates.
invertebrates
vertebrates
Vertebrates.