Invertibrates
animals without backbones are invertebrates. octopi and squids have no shells, but are invertebrates because they contain no backbone. if they had a backbone, they'd be vertebrates.
They were invertebrates. They were shelled molluscs, basically large sea snails.
Verebrates are things with backbones, like humans, mice, birds, ect. Invertebrates are things without backbones, lke snails, octopi, leeches, ect.
invertebrates
No, they do not. Octopi are invertebrates.
vertebrates and invertebrates different?
They are vertebrates.
Vertebrates have spinal chord and invertebrates don't.
Vertebrates have spines & invertebrates do not have spines.
Vertebrates.
Invertebrates.
invertebrates