Animals Summary Charts

Invertebrates

Porifera Digestive: diffusion, filter feeders Respiratory: diffusion Circulatory: diffusion Nervous: none Excretory: diffusion (out the osculum also) Reproduction: sexual and/or asexual (budding) EX: sponges

Cnidaria Digestive: diffusion/ have a gastrovascular cavity Respiratory: diffusion Circulatory: diffusion Nervous: some, a nerve net Excretory: diffusion, flame cells, wastes out the mouth Reproduction: sexual and/or asexual (budding) EX: jellyfish, sea anemones, hydra

Platyhelminthe (Flatworms) Nematoda (Roundworms) Digestive: diffusion, have a gastrovascular cavity Respiratory: diffusion Circulatory: diffusion Nervous: some, nerve net Excretory: diffusion Reproduction: sexual, some hermaphrodites EX: planaria, tapeworms, nematodes, roundworms

Annelida (Segmented Worms) Digestive: 2 body openings, mouth and anus; have esophagus, stomach, crop, gizzard, intestines Respiratory: diffusion, some gills Circulatory: closed with primitive hearts Nervous: ganglia and nerves Excretory: anus and nephrida Reproductive: sexual/ are hermaphrodites EX: earthworms, leeches

Molluska Digestive: 2- openings, digestive organs Respiratory: book lungs or gills, mantle Circulatory: open with a primitive heart Nervous: Ganglia (brain) and nerves Excretory: anus and nephridia Reproduction: sexual EX: clams, snails

Arthropoda Digestive: system Respiratory: trachea with spiracles, Some book lungs Circulatory: open with a primitive heart Nervous: brain and ventral nerve cord, Sense organs Excretory: anus and Malphigian tubules Reproduction: sexual, may do parthenogenesis EX: insects, spiders, crayfish, millipedes

Echinodermata Digestive: system Respiratory: diffusion, skin gills Circulatory: open Nervous: brain and nerves, ventral nerve cord Excretory: diffusion, anus Reproduction: sexual EX: sea stars, sand dollars

Vertebrates

Osteichythyes (bony fish) Chondrichythyes (cartilaginous fish) Digestive: system Respiratory: gills, countercurrent exchange Circulatory: closed, 2-chambered heart Nervous: brain, dorsal nerve cord, lateral line detects chemicals in water Excretory: excrete urine and ammonia through gills Reproductive: sexual, some parthenogenesis Examples: trout, sharks

Amphibia Digestive: system Respiratory: gills (young) or lungs (adult) Circulatory: closed, 3-chambered heart Nervous: brain, dorsal nerve cord Excretory: excrete urine, have a cloaca Reproductive: sexual Examples: frogs, salamanders

Reptiles Digestive: system Respiratory: lungs Circulatory: closed, 3 or 4-chambered heart Nervous: brain, dorsal nerve cord, sensory organs Excretory: excrete urea, have a cloaca Reproductive: sexual Examples: snakes, lizards, turtles

Aves (Birds) Digestive: system with a crop and gizzard Respiratory: lungs, special lung system Circulatory: closed, 4-chambered heart Nervous: brain and dorsal nerve cord Excretory: excrete urea through the cloaca, system with kidneys Reproductive: sexual, lay amniote eggs Ex: robins, crows

Mammals Digestive: system Respiratory: lungs Circulatory: closed, 4-chambered heart Nervous: 3 part brain with dorsal nerve cord Excretory: system with kidneys, bladder, excrete urine Reproductive: sexual, may be monotremes, marsupial, or eutherian Ex.: humans, dogs, sheep