1. Animals Summary Charts

2. Invertebrates

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. Vertebrates

11. 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

12. 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

13. 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

14. 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

15. 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