Definition of crime. 1 : an illegal act for which someone can be punished by the government; especially : a gross violation of law. 2 : a grave offense especially against morality. 3 : criminal activity efforts to fight crime.
Arthropods Facts. Arthropods are air-breathing invertebrate animals which have paired jointed legs, exoskeleton and a segmented body. Arthropods are generally classified into four classes: 1. Insects (Includes Ants, butterfly, grasshopper, cockroaches etc. Over 1 million known species). 2.
About 75% of all animal species are arthropods. There may be more individual worms in the world, but there are more different types of arthropod than any other group on the plant. You'll find insects, spiders, crabs, lobsters, barnacles, centipedes, and even hundreds of extinct species in fossils. You know the first one. Arthropods all have exoskeletons. Exoskeletons are hard outer shells made of chitin. While you have an endoskeleton, a crab has a tough shell that protects it from the outside world. Next on the list are the arms and legs.