Classification of invertebrates What are the common invertebrates?

An invertebrate is an animal with no spine on its back. They are the primitive forms of animals. Its species number accounts for 95% of the total number of animals. Including protozoa, echinoderms, mollusks, flatworms, annelids, coelenterates, arthropods, linear animals and so on.

Common invertebrates and their classification 1. Protozoa: paramecium and amoeba.

2. Echinoderms: starfish, sea urchins and sea cucumbers.

3. Molluscs: mussels, snails, squid

4. Flat animals: Taenia solium and blood-sucking worms.

5. annelids: earthworms, grasshoppers, sand scorpions

6. coelenterates: corals, jellyfish, anemones

7. Arthropods: ants, dragonflies, scorpions

8. Linear animals: roundworms, nematodes and pinworms.

What is an invertebrate? Invertebrates refer to relatively low animal groups without backbones. There are many kinds and quantities. From the living environment, oceans, rivers, lakes, ponds and land all have their traces; From the way of life, there are free life, parasitic life and symbiotic life; From the way of breeding offspring, some species can reproduce asexually, some species can reproduce sexually, some species can reproduce asexually and sexually, and some species can reproduce larvae and parthenogenesis.