High School Biology Experiment Ideas. c and plants. High school level biology covers all aspects of biology, including animals, plant life and humans. That should mean it's easy to come up with a science fair project or a classroom research project, but the amount of topics sometimes makes it even harder.
Characteristics of Phylum Coelenterata(CNIDARIA). Phylum coelenterata characteristics. 1. Dipoblastic body with two layers of cells, outer layer called ectoderm or epidermis and the inner layer known as the endoderm or gastrodermis. 2. Phylum coelenterata characteristics is they have a single opening into the body which acts as both the mouth and anus which functions in taking food and expelling wastes.
Cnidarians exhibit two basic structural forms, a medusa and a polyp. The medusa form is a free-swimming structure which consists of an umbrella-shaped body (called a bell), a fringe of tentacles that hang from the edge of the bell, a mouth opening located on the underside of the bell, and a gastrovascular cavity.nidarians are radially symmetrical and they have tentacles that encircle their mouth. The body wall of cnidarians consists of an outer layer or epidermis, an inner layer or gastrodermis, and a middle layer or mesoglea. Cnidarians lack organs and posses a primitive nervous system known as a neural net.