An animal that has no spine or spinal column and therefore doesn’t belong to the subphylum Vertebrata of the phylum Chordata. Corals, bugs, worms, jellyfish, starfish, and snails are invertebrates. For many centuries, invertebrates had been neglected by biologists, in favor of big vertebrates and “helpful” or charismatic species. Invertebrate biology was not a major field of examine till the work of Linnaeus and Lamarck within the 18th century.
During the 20th century, invertebrate zoology turned one of the main fields of natural sciences, with prominent discoveries in the fields of medication, genetics, palaeontology, and ecology. The examine of invertebrates has also benefited law enforcement, as arthropods, and particularly insects, were found to be a supply of data for forensic investigators. The following text reflects earlier scientific understanding of the time period and of those animals which have constituted it. According to this understanding, invertebrates don’t possess a skeleton of … Read More