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What are the 5 classes of invertebrates?
The Invertebrates unit explores six groups of invertebrates— poriferans (sponges), 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).
What are the 9 different classes of invertebrates?
The most familiar invertebrates include the Protozoa, Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Echinodermata, Mollusca and Arthropoda. Arthropoda include insects, crustaceans and arachnids.
What are the 4 classes of invertebrates?
There are mainly four kinds of invertebrates as listed below by Phylum.
- Phylum Mollusca.
- Phylum Annelida.
- Phylum Arthropods.
- Phylum Coelenterata.
What are the 8 invertebrate phyla?
Major invertebrate phyla that you should know include porifera, cnidaria, platyhelminthes, nematoda, mollusca, annelida, arthropoda, and echinodermata.
What are the 4 characteristics of invertebrates?
Invertebrates share four common traits:
- They do not have a backbone.
- They are multicellular.
- They have no cell walls, like all other animals.
- They reproduce by two reproductive cells, or gametes, coming together to produce a new organism of their species.
What are the six major groups of invertebrates?
Sponges – The most ancient of all animal phylum,sponges tend to live in saltwater but there are some notable exceptions.
What are the 6 invertebrate groups?
The millions of invertebrate animals on our planet are assigned to six main groups: arthropods (insects, spiders and crustaceans); cnidarians (jellyfish, corals and sea anemones); echinoderms (starfish, sea cucumbers and sea urchins); mollusks (snails, slugs, squids and octopuses); segmented worms (earthworms and leeches); and sponges.
What are five different types of invertebrates?
Sea stars and sea urchins
What is the largest class of invertebrates?
The largest of the invertebrates is the colossal squid. It can grow to over 40 feet long and weigh over 1,000 pounds. The longest invertebrate is the ribbon worm which can grow to 180 feet long. The smallest invertebrate is the rotifer, or wheel animal, which can be as small as 50um.