Animals Part 1 Flashcards
roundworm, pen-worm, hook worm
Nematoda, 12,000 species, parasites, simple organ system
Flat Worms, Planarians, flukes, tapeworms
Platyhelminthes, 10,000 species, parasites, more advanced
oysters, clams, snails, octopus, squid
Mollusk
gastropod - one shelled organisms(snail, conch
bivalved - 2 shell (clam, oyster, mussels, scallops)
cephalopod - most don’t have shell (octopus, squid)(smartest invertebrate) —some have a foot that helps them move, some have evolved to tentacles
Earthworm, polychaete, worms, leeches
Annelid - 10,000 species - mostly decomposers, LEACHES ARE PARASITES
insects, spiders, centipedes, millipedes, crustaceans
Arthropod - at least 1,000,000
Starfish, sea urchins, sand dollar
Echinoderms - 6,000 species
STAR FISH EAT BY THE TUDE THAT ENTERS PREY
lamprey, hagfish
Agnatha - 50 species - no jaws
Sharks, manta rays, stingrays, skates
Chondrichthyes - 800 species - manta ray = filter feeder
shark = carnivore
all freshwater fish, EX: bass, perch
Osteichthyes - 20,000 species
stinging cells of Cnidarian
Nematocyst
Two sided symmetry
Bilateral
Cells in sponge that take oxygen & food to cells
Amoebocytes
Support cells in sponge, protein
Spongin
Sponge phylum name
Phorifera
Flat worm phylum
Platyhelminthes