Pls po need ko na po now pls report po pag mali agad sagot pag di mo alam sagot tumahimik ka nalang

Answer:
Invertebrates are animals without BACKBONES. Invertebrates can be classified into smaller groups. Each of which has certain characteristics.
Invertebrates include porifera, CNIDARIANS (such as sea jellies and corals), ECHINODERMS (such as sea urchins and sea stars), MOLLUSKS (such as octopuses, snails, and clams), ANNELIDS (worms), and arthropods (such as insects, spiders, and lobsters).
Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca and Arthropoda.
Explanation:
Answer:
invertebrates are animals without backbones. Invertebrates can be classified into smaller group. Each of which has certain characteristics. Invertebrates include porifera, Ctenophora, Cnidaria, Echinodermata, Platyhelminthes, Annelida,Arthropoda, Mollusca, Chordata