Question

what are lower invertebrates​

Answer 1

LOWER INVERTEBRATES :-

The most familiar invertebrates include the Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca and Arthropoda. Arthropoda include insects, crustaceans and arachnids.

Answer 2

Lower Invertavrates are the simplest animal and include many phyla and classes of headless creatures like jellyfish,corals,sponges,and also microscope single-celled animals.