For decades, anthropologists believed the ability to use tools separated modern humans from all other living things. Then scientists discovered chimpanzees use rocks to hammer open nuts and twigs to fish out termites from mounds. Monkeys, crows, sea otters and even octopuses manipulate objects to get what they want. The oldest-known type of stone tools are stone flakes and the rock cores from which these flakes were removed.
Geography News -- ScienceDaily
This survey of the animal kingdom is dedicated to Dr. Nancy M. Jessop , esteemed colleague, zoologist extraordinaire and dear friend with whom I spent many hours exploring tropical ecosystems. Wayne's Word. Noteworthy Plants. Biology
List of Sea Animals A-Z
Batoidea is a superorder of cartilaginous fishes commonly known as rays. They and their close relatives, the sharks , comprise the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over species in 26 families. Rays are distinguished by their flattened bodies, enlarged pectoral fins that are fused to the head, and gill slits that are placed on their ventral surfaces.
Today, 23 member institutions partner with the Dauphin Island Sea Lab to provide studies to undergraduate and graduate students. Since , the DISL mission has expanded to include K education, professional development, and a public aquarium. The Program Committee members consist of one faculty member, appointed by the President, from each of the member institutions.