Lower and Higher Invertebrates with their differences

Lower and Higher Invertebrates

Lower and Higher Invertebrates with their differences The invertebrates are usually classified as Lower Invertebrates and Higher Invertebrates. Lower Invertebrates The lower invertebrates are simple in body organization. They are generally small in size. These are thought to have originated in the main lines of evolution, near the base of the phylogenetic tree of Animal kingdom. Lower Invertebrates includes Protozoa, Porifera, Coelenterata (Cnidaria), Platyhelminthes and Nematoda. Higher Invertebrates They possess a complex body organization. They are generally larger in size. … Read more