Insects are small terrestrial invertebrates that have an exoskeleton and six legs. They do not have an internal skeletal system, thus the need for an exoskeleton (hard outer shell). They are the...Read More
There are 4 classes of cheliceriformes: Eurypterids, Merostomata, Pycnogonida, and Arachnida.
Eurypterids are a class of water scorpions. However, they are all extinct. They used to be foun...Read More
Arthropods are a member of a diverse group of animals such as insects, scorpions, spiders, crustaceans, and centipedes. Arthropods have 5 distinguishable characteristics that set them apart from...Read More
A Chelicerate is an arthropod that that has no distinct head region. Some of the most well-known Chelicerates are sea spiders, arachnids, and horseshoe crabs.
Chelicerates all originated as...Read More