Three clades of arthropods are listed below.CheliceratesArachnids—(Spiders, Scorpions, Harvestmen, Ticks and Mites)Horseshoe CrabsMyriapodsMillipedesCentipedesPancrustaceansCrustaceansDecpodsIsopodsKrillCopepodsBarnacleInsectsArthropods have an exoskeleton that cannot enlarge as the animal grows. As a result, it must be shed from time to time to allow growth.
Ok, I realize that this question may seem crazy at first glance. I would agree. Also, this does deal with a medical diagnosis, however, as I'm more concerned with the explanation behind it, I figur…
A 62 year-old male was admitted to the hospital complaining of shortness of breath. His chest X-ray showed a rightsided cavitary lesions. His medical history indicated he had smoked one pack of
Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The atom is the smallest and most fundamental unit of matter. A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.
Are there any animal species that have two sexes and a kind of different internal diversification in two genders or more? I don't mean something like different-task-based diversity, but something
