TREMATODES (Flukes) Life Cycle - Complex = requiring one or more intermediate host Adult worm (sm. intestine of vertebrate host) ↓ lays egg ↓ excreted in water and hatch…

PHYLUM ANNELIDA The Segmented Worms Characteristics Bilateral symmetry Body metamerically segmented Chitinous setae (bristles) often present on parapodia Digestive system…

Lecture 4 January 13, 2011 Skeletons All the struts, none of the ties; strut resists compression, tie resists tension âthe form of an object is a diagram of forcesâ; translocation…

Slide 1 Skeletons Continuing with three contrasting skeletal forms: hydrostatic, endoskeleton, exoskeleton: annelid coelom, insect mandible, frog leg Why do earthworms have…

Anatomy of the Urinary System Kidneys Ureters Bladder Urethra The Kidneys Functions of the Kidneys: - removal of waste products from blood - control of blood volume - control…