Animal atlas By Osvaldo Perez

Porifera Common names: the sponges Symmetry: radial symmetrical- asymmetrical Special characteristics: lack specialized organs or tissues

Cnidaria Common name: jellyfish, anemones, corals, and relatives Symmetry: radial Special characteristics: stinging cells (nematocysts), few freshwater, have few tissues

Platyhelminthes Common names: flatworms Symmetry: bilateral Special characteristics: can regenerate, has a head (cephallization), and their flat

Nematoda Common name: roundworm Symmetry: bilateral Special characteristics: have longitudinal muscles and one way digestive system

Mollusca Common name: mollusk Symmetry: bilateral Special characteristics: have shells

Annelidia Common name: segmental worms Symmetry: bilateral Special characteristics: body segments that repeat, most have bristles called satae

Arthropoda No common name Symmetry: bilateral Special characteristics: have jointed appendages, an exoskeleton and molt

Echinodermata None Symmetry: 5 part radial Special characteristics: endoskeleton water vascular system

Osteichthyes Common name: bony fish Symmetry: bilateral Special characteristics: have back bones, gills, and single-loop blood circulation

Amphibia None Symmetry: bilateral Special characteristics: has double loop circulation and partly divided heart lungs legs respiration through the skin

aves Common name: birds Symmetry: bilateral Special characteristics: wings, feathers,on endothermic, light weight bones copletory system with hair

reptilia None Symmetry: bilateral Special characteristics: exothermic strong skeleton toes with claws, scaly skin that is dry, lungs septumpartly divides heart, internal fertilization and emniotic eggs

Mammalia Common name: mammal Symmetry: bilateral Special characteristics: mammery glands and produce milk, endothermic hair