Test 2 - Orders Flashcards
Characteristics of Porifera
no symmetry
hermaphroditic
no tissues
Characteristics of Cnidaria
radial symmetry
diploblastic
one body opening
carnivorous
polyp and medusa body plans
carnivorous
sexual and asexual repro
Characteristics of Platyhelminthe
bilateral symmetry
acoelomate
triploblastic
hermaphroditic
cephalization (indicative of Nervous system and brain)
excretory system
Characteristics of Rotifers
bilateral symmetry
unsegmented
pseudocoleomates
complex internal organs (head and complete gut)
triploblastic
dioecious sexual repro
Characteristics of Nematodes
bilateral symmetry
unsegmented
pseudocoelomate
complete gut
triploblastic
nervous system w brain
dioecious sexual reproduction
Characteristics of Mollusk
bilaterally symmetrical
coelomate
head, mantle, foot
nervous system with brain
complete gut
excretory system
respiratory system
mono / dioecious sexual repro
Characteristics of Annelid
bilateral symmetry
head & segmented body
hermaphroditic - asexual and sexual
complete digestive tract
Characteristics of Arthropods
bilateral symmetry
coelomate
head, thorax, and abdomen (segmentation)
triploblastic
nervous w brain, excretory, open circulatory, respiratory
sexual repro
protostomes
platyhelminthe, rotifer, nematodes, mollusk, annelid, arthropod
aceolomate
platyhelminthe
psuedocoelomate
rotifer and nematode
coelomate
mollusk, annelid, arthropod
Major Class of Platyhelminthes
turbellaria - planaria
trematodes - flukes
cestodes - tapeworms
Major Classes of Mollusks
gastropods - slugs, snails
bivalves - clams, oysters, scallops
cephalopods - squid, octopus, nautilus
Major Classes of Arthropods
Chelicerate - spiders, ticks, mites
myriapods - centipedes & millipedes
Crustaceans - lobster, crab, shrimp
Hexapods - beetles, flies, butterflies
