2. Invertebrates (Invertebrate).Mean, bottom-feeder. No bones is the core in the body. Some species may have a rigid scheme not bones inside body to help support the body. And some kind of similar hard shell covered outside to prevent the danger. And based on the muscles of the scientists find that The insect is good, the largest invertebrates Who lived on land than to live in water.The current collection group H, invertebrates with similar features as they are, as follows.- sponge (Porifera).- body hollow (Cnidaria).- flatworm (Platyhelminthes).- the body of a segment- there is a leg (Arthropoda).- shell and cartridge (Mollusca).- rough surface and the thorns (Echinodermat).- nematode worms (Nematodes).
การแปล กรุณารอสักครู่..