Invertebrates dominate the animal kingdom.
1. Phylum Porifera (sponges)
2. Phylum Cnidaria (jellyfish, corals, & hydras)
3. Phylum Platyhelminthes (flat worms)
4. Phylum Rotifera (rotifers)
5. Phylum Mollusca (snails, slugs, clams, octopus, & squid)
6. Phylum Annelida (segemnted worms- earth worms)
7. Phylum Arthropoda (Spiders, insects, & crustaceans)
8. Phylum Echinodermata (starfish) *closest living invertebrate to humans because of its deuterostomal development.
they are grouped.
These animals are called invertebrates. Invertebrates have no backbone. Examples of invertebrates are insects.
invertebrates
No, 95-97% of all animals on Earth are Invertebrates.
All animals in the invertebrate kingdom. This includes all insects.
Following are some pictures of invertebrates i.e animals without backbones: Following are some pictures of invertebrates i.e animals without backbones:
invertebrates
invertebrates
Invertebrates
Vertebrates are animals with backbones, invertebrates are animals without backbones.
Worms, spiders and insects are invertebrates.
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.