Invertebrates have no backbone, muscles are attached to outer shell.
Mollusks are invertebrates because they do not have a backbone.
Yes, mosquitoes are invertebrates as they have no backbone.
No, heartworms are invertebrates and have no backbone.
No, Spiders are invertebrates.
well classifying invertebrates is rather simple just find out if they have a backbone or not cause vertebrates have a backbone while invertebrates don't
Squid are invertebrates; they have no spine.
invertebrates
no backbone
No. They are invertebrates.
Ladybugs an invertebrates they have no backbone
Yes. Any animal without a backbone is an invertebrate. A sponge is a invertebrate because it has no backbone.
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.