What Characteristic Do Arthropods Possess That Echinoderms Do Not? Answer:The primary difference between arthropods and echinoderms is their covering. Arthropods have a tough, non-living outer shell called exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons, which develop within the deeper skin or body tissues and act as their protective covering. How do
Is An Crab A Vertebrate Or Invertebrate? Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group – they do not have a backbone. Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates – they all have internal skeletons and backbones. What animal group is a crab? Crabs, lobsters,
Do Any Insects Live In Antarctica? Do any insects live in Antarctica? Antarctic midge Do insects exist in Antarctica? “Insects are incredibly rare in Antarctica. There have been a million insect species found on Planet Earth and only three insects can be found in Antarctica, so it’s a really hard place for insects to live,”