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49 Cards in this Set
- Front
- Back
-no backbone -simplest -greatest number of species |
Invertebrates |
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-commonly known as sponge -consist of loosely organized cells |
Porifera |
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These animals lack true tissue and have central cavity |
Porifera |
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Three cells present in porifera: |
Pinacocyte, amoebocyte, choanocyte |
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Venus flower basket, tube sponge, bath sponge are examples of |
Porifera |
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Cnidaria are known to have stinging cells called |
Cnidocytes |
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This is the body form of the hydra, which is asexual and sessile |
Tubular Polyp |
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This is the body form of the Jellyfish which is sexual and mobile |
Medusa |
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Beef tapeworm, blood fluke, and planaria are all examples of |
Platyhelminthes |
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May be free living or parasitic, flattened dorsoventrally, unsegmented flatworms |
Platyhelminthes |
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Sea fan, mushroom coral, brain coral, and hydra are all examples of |
Cnidaria |
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Soft bodied animals with muscular foot, mantle, and visceral mass |
Mollusca |
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Mussel, oysters, scallop, and clam, are all examples of |
Bivalves |
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Mollusca is divided into three: |
Gastropoda, Bivalves, Cephalopoda |
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They are called one foot crawlers |
Gastropods |
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Possess two shells, filter feeders |
Bivalves |
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Snails, slugs and sea slugs are all examples of |
Gastropoda |
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Earthworm, leeches, and sandworm are all examples of |
Annelida |
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Have prominent heads and tentacles, modified primitive molluscan foot |
Cephalopod |
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They are segmented worms, with anus, parapodia for locomotion |
Annelida |
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The segmentation of Annelida is called |
Metamerism |
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Squid, octopus, cuttlefish and nautilus are all examples of |
Cephalopoda |
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Intestinal roundworms, pinworms, hookworms, and filarial worms are all examples of |
Nematoda |
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Unsegmented roundworms |
Nematoda |
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Considered to be the largest phylum in the animal kingdom |
Arthropoda |
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segmented and have exoskeleton |
Arthropoda |
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The segmentation of arhtopoda are called |
Tagmata |
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Classes in Arthropoda |
Insects, Arachnids, Myriapods, Crustaceans |
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3 pairs of legs, pair of antennae, two pairs of wings |
Insects |
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Arthropod with many legs |
Myriapods |
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Arthropod that are free living aquatic animals |
Crustaceans |
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No antennae, 4 pairs of legs |
Arachnid |
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Spiny body surfaces, with endoskeleton |
Echinodermata |
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Starfish, brittle star, are examples of |
Echinodermata |
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These have notochord, nerve cord, post-anal tail, and pharyngeal gill slits |
Chordata |
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W/ endoskeleton, more complex animals |
Vertebrata |
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Cartilaginous fishes, marine predators (e.g sharks, manta rays) |
Chondrichthyes |
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Bony fishes (e.g milk fish, gold fish) |
Osteichthyes |
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-smooth skin -cold blooded -live in water and land -lay eggs E.g frogs, toads, lizards |
Amphibian |
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-scales -lay eggs -cold blooded -lungs E.g alligator, snake, turtle |
Reptiles |
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-scales -live in water -have gills -cold blooded -lay eggs E.g shark, tuna |
Fish |
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-hair/fur -live birth -warm blooded -lungs |
Mammals |
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-feathers -warm blooded -lungs -lay eggs |
Birds |
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Has no symmetry |
Assymetrical |
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Can be divided into two planes |
Bilateral |
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Can be divided into four planes |
Biradial |
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Can be divided into five planes |
Pentaradial |
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Only cnidarians possess this type of germ layering |
Diploblastic |
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Platyhelminthes and above possess this type of germ layering |
Triploblastic |