The 8 groups of invertebrates are as follows: PoriferaCnidariaNemathelminthesPlatyhelminthesAnnelidaArthropodaMolluscaEchinodermata
marine
The presece of a vertebrate.
Invertebrates can be divided into 5 groups. Insects Arachnids Crustaceans Worms Molluscs
mosquito,snake,ant,butter fly,clamps,jelly fish, and scorpion
they do not have back bones
shells are important to some invertebrates groups because for some of them, that's their home
you can put them in any groups, but the 2 main groups you are looking for are called = invertebrates and invertebrates (vertebrates have bones and invertebrates don't have any bones)
The two first groups of organisms were placed in the categories of plants and animals. This system of classification based on physical characteristics was established by Aristotle in ancient Greece.
They don't have a backbone / spine.
They do not have a backbone / spine.
vertebrates and invertebrates