Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
KEY Internal Transport Gas Exchange Excretion (water balance) Digestion Reproduction Body Plan - Other None – cells exchange directly with environment None Diffusion (body surface) Diffusion Choanocytes (feeding cells) Sexual & Asexual (Budding) Assymetrical, Acoelomate, Spiral Cleavage Diffusion (body surface) Diffusion Diffusion (body surface) Protonephridia External Fertilization or Asexual Budding External fertilization Radial Symmetry, Acoelomate, Spiral Cleavage None Diffusion Diffusion (body surface) Diffusion & excretory tube Internal Fertilization Bilateral, Pseudocoelomate, Spiral Annelida (segmented worms: earthworms, leeches) Closed Circulatory System Diffusion (body surface) Metanephridia External Fertilization Mollusca (snails, slugs, clams, oysters, squids, octopuses) Arthropoda (spiders, mites, crustaceans, insects, centipedes) Echinodermata (sea stars, sea urchins, sea cucumbers) Open Circulatory System Gills Metanephridia Gastrovascular cavity (one opening) Gastrovascular cavity; absorptive feeders Complete digestive system (two openings- mouth & anus) Complete digestive system (two openings- mouth & anus) Complete digestive system (two openings- mouth & anus) Bilateral Symmetry, Coelomate, Spiral Cleavage Bilateral, Coelomate, Spiral Open Circulatory System Tracheae & spiracles (insects) Gills (crustaceans) Malphigian Tubules (Insects) Uricotelic Complete digestive system Internal Fertilization, 2 sexes, Asexual (Parthenogenesis) Bilateral, Coelomate, Spiral Water vascular system Water vascular system & tube feet Tube feet Water vascular system Closed Circulatory System, Single Circ. Closed Circulatory System, Single Circulation Gills (countercurrent exchange) Gills (countercurrent exchange) Ammonotelic Complete digestive system Ureotelic Complete digestive system External fertilization, 2 sexes, some hermaphrodites Most external, some internal fertilization Internal fertilization, sexes separate Radial (adult), Bilateral (Larval), Coelomate, Radial Bilateral, Coelomate, Radial Bilateral, Coelomate, Radial 3 chambered heart, double circulation, closed circulation Lungs and (moist) skin Ureotelic Complete digestive system Internal fertilization (salamanders) External fertilization (frogs) Bilateral, Coelomate, Radial 3 chambered heart, double circulation, closed circulation Lungs Uricotelic Complete digestive system Internal fertilization, eggs with leathery shells Bilateral, Coelomate, Radial 4 chambered heart, double circulation, closed circulation 4 chambered heart, double circulation, closed circulation Air sacs, lungs, one way flow Uricotelic, Nasal salt glands Complete digestive system Internal fertilization Bilateral, Coelomate, Radial Lungs, alveoli, 2 way flow Ureotelic, nephrons Complete digestive system Internal fertilization Bilateral, Coelomate, Radial Porifera (sponges) Chordata Cnidaria (jellyfish, sea anenomes, corals, Hydra) Platyhelminthes (flatworms: tapeworms) Nematoda (roundworms) Osteichthyes (Bony Fishes) Chondrichthyes (Cartilaginous Fish Sharks & Rays) Amphibians (frogs, salamanders, toads, newts) Reptiles (lizards, snakes, turtles, crocodiles) Aves (birds) Mammals External Fertilization, 2 sexes, some hermaphrodites Bilateral symmetry, Acoelomate, Spiral Cleavage