Any animal that does not have a backbone, which includes worms, insects, Spiders, jellyfish etc.
An invertabre is a species of animal that has no spine (Backbone). The word literally means "No vertabre"
if you mean the heaviest invertabre than it is the giant clam.
Vertebrate.
Vertebrates are an animal or insect without a backbone. there are actually 4 invertebrate groups they are jellyfish, insects, aracnids(spiders) and crustaceans (snials slugs worms ect). hope this helps.a thing w/ no spine
The most common invertabre found near the average American home is the Black Ant, House Fly, and the average Garden Spider and many other insects
it is an insectivore it is a ferocious predator
flatworms arent round but flatworms look like pancakes. they both belong to the invertabre group and have similar internal organs.
Most animals on Earth do not have backbones! Animals without backbones are known as invertebrates. Some invertebrates are worms, jellyfish, and gastropods. The invertebrate group called Arthropods, which included insects, is the one which has more animals than any other group on the planet. Animals that do have backbones are called vertebrates.95% of all animal species do not have backbones.Arthropoda (insects, arachnids, crustaceans)nematoda (round worms)mollusca (squid, snails, bivalves)annelida (segmented worms [earthworms, leeches, polychaetes])nemertinea (ribbon worms)platyhelminthes (flat worms)rotiferaacoelomorphactenophora (comb jellies)cnidaria (jellyfishes, corals, sea anemones, hydras)porifera (sponges)echinodermata (starfish, sea urchins)brachiopodabryzoachaetognathacephalochordataechiuragnathostomulidsgastrotrichahemichordatakamptozoakinorhynchaloriciferaphoronidaplacozoapripulidapycnogonidasipunculidatunicataxenoturbellaAn animal without a backbone is an invertabre. An animal with a backbone is called a vertebrae.Animals without a backbone are called 'Invertebrates'. Some examples are most insects, lizards , jelly fish and such animals.The name of an animal without a spine (backbone) is an invertebrate. Some examples are worms, starfish, arachnids, and crustaceans.Animals without backbones are called invertebrates. They include animals such as jellyfish, corals, slugs, snails, mussels, octopuses, crabs, shrimps, spiders, and butterflies, among many others.Animals that do not have back bones are called Invertebrates. A worm is an example of a invertebrateinvertebrates