THE EARTHWORM. Large, muscular tubes that alternately contract and relax, keeping the blood flowing, Throat cavity; used by earthworms to suck in soil.
Annelidae These guys try to worm their way into all ways of life.
P H Y L U M N E M A T O DA ISABELLA DAO THONG NGUYEN PERIOD 6.
The Nematodes Introduction and General Characteristic.
Nematodes A class of unsegmented helminths with fundamental bilateral symmetry. Many species are parasites.
Phylum Chordata 1. 2 Porifera Platyhelminthes Mollusca Arthropoda Hemichordata Cnidaria Nemertea Annelida Echinodermata Chordata Lophophores Protozoans.
Chapter 41 Animal Nutrition. 3 main categories of feeding: Herbivores – Plants & algae Carnivores – Meat Omnivores – Both.
Chordates
Phylum Rotifera Members of the Phylum Rotifera are small ciliated organisms found mainly in freshwater The ciliated wheel organ (corona) is characteristic.
Bio 320 Practical 7
Invertebrate Phylum's. Invertebrate Basics: Animals with no backbones Multi-cellular, cells have no cell walls Most can move Most have symmetry, meaning.
Phylum Annelida. Metamerism Have an anterior prostomium and posterior pygidium; both nonsegmented Body is divided into a linear series of similar parts.
