Welcome to the University of Maine School of Nursing! It is both an honor and a privilege to lead a School wholly committed to building a learning community of students and scholars where âeverybody knows your name.â Within the School of Nursing, you will find that that the gifts and talents of our faculty, staff, [â¦]
cast fossil (Noun). A fossil formed when an animal, plant, or other organism dies, its flesh decays and bones deteriorate due to chemical reactions; minerals gradually enter into the cavity, resulting in a cast, also called a mold fossil, which is in the general form of the original organism.
Mold fossils are fossil impressions left after the animal or plant decomposes. They are negative images and often formed by the animal being left in acidic groundwater. Silt deposits form over the animal or plants impression after the shells or organic matter dissolves. An imprint is left. This void is called a mold.rue-form fossils are body parts of an animal or remains of a substance. They are often formed when the organism is caught in ice, tree sap or tar. Complete features are left behind.