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22 Cards in this Set

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  • Back
  • 3rd side (hint)
Porifera
"First animal"
Sponges
Cnidarian
First animals with symmetry (radial)
Jellyfish, sea anemones, coral, hydra
Platyhelminthes
First with cephalization and bilateral symmetry
"Flat worm" Ex: planaria, tapeworm
Nematoda
First with 2 openings in digestive tract
Ex: Roundworm, parasites
Annelida
First with brain
EX: Earthworms, leeches, segmrented worms
Molluska
First with "foot"
"Soft-bodied" ex: octopi, snail, slug, clams
Arthropod
First with jointed leg?
"jointed leg" ex: crustaceans, uniramia, arachnids
Crustacean
Shrimp, lobster, crab, rolypoly
Uniramia
Insects, centipedes, millipedes
Arachnids
Spiders, scorpians, ticks
Echindoermata
First deuterostomes (invert. most closely related to chordates)
"Spiny skin" ex: starfish, sea urchin, brittle star
Chordate
Have notochord, nerve chord, and pharyngeal slits
Becomes backbone
Osteichtheyes
First with backbone
Bony fish
Jawless fish
Ex: hayfish, lamp rey
Chondrichtheyes
No bone; cartilagenous fish
Ex: sharks, ray
Amphibian
First vertebrates on land
"double life" ex: frog, toad, salamander
Reptile
First with leathery egg
ex: Snake, turtle, crocodile
Aves
First with feathers and hard egg, first endotherms
Birds
Mammal
First with hair, feed young with milk
Human
Monotreme
Egg laying mammal
Platypus, echidna
Marsupial
Pouched mammal
Kangaroo, wombat
Placental
All others
Human, primate, carnivore