Sunday, July 24, 2011
he study of arthropods, a phylum of animals that include the insects, arachnids, crustaceans and others that are characterized by the possession of jointed limbs.
the study of mollusk shells.
the study of worms, especially parasitic worms
the study of nematodes, or roundworms
the study of animal behavior and its underlying mechanistic control by the nervous system.
is the branch of paleontology or paleobiology dealing with the recovery and identification of multicellular animal remains from geological (or even archeological) contexts, and the use of these fossils in the reconstruction of prehistoricenvironments and ancient ecosystems.