|
no of openings
|
1
|
|
symmetry
|
radial
|
|
digestion
|
gastrovascular cavity
|
|
tentacles
|
release poision and hook prey
|
|
Reproduction
|
polyp - medusa
|
|
classes
|
Hydrozoa - Scyphozoa - Anthozoa
|
|
Hydrozoa
|
freshwater cnidiaria such as hydra
|
|
scyphozoa
|
jellyfish
|
|
Anthozoa
|
sea anemones and corals
|
|
feeding
|
filter feeders
|
|
tissues and organs?
|
absent
|
|
nervous system?
|
absent
|
|
sclerocytes
|
cells that produce spicules
|
|
spicules
|
needle like structures that give rigidity and form
|
|
reproduction
|
fragmentation - budding - gemmulation
|
|
symmetry
|
asymmetrical
|
|
digestion
|
intracellular
|
|
crustaceans
|
5 pairs of legs, 2 pairs of antennae, 2 compound eyes, swimmerettes (swimming & reproduction)
|
crabs
|
|
arachnids
|
6 pairs of appendeges, no antennae, have a cephalothorax, and a spinneret (produces silk)
|
spiders, scorpions
|
|
myriapods
|
many legs, one pair of antennae
|
centipede
|
|
Insects
|
3 pairs of legs,1 pair of antennae, 2 pairs of wings, compound eyes
|
bees, mosquitoes
|
|
body type
|
segmented
|
|
|
digestive system
|
made of a crop and gizzard
|
|
|
Setae
|
Bristles located on each segment that aids in motion
|
|
|
clitellum
|
a swollen saddle like part of the body that allows fertilization
|
|
|
Classes
|
oligochaeta - polychaeta - hirudinea
|
|
|
Oligochaeta
|
terrestrial worms
|
earthworms
|
|
polychaeta
|
marine worms that decompose organic waste into CO2
|
bristle worms
|
|
Hirudinea
|
leeches
|
|
|
Symmetry
|
bilateral
|
|
cavity
|
pseudocoelomates
|
|
motion
|
cilia are present for locomotion and feeding
|
|
symmetry
|
bilateral
|
|
|
digestive tract
|
present
|
|
|
cavity
|
pseudocoelomates
|
|
|
body shape
|
tapered ends
|
|
|
Trichinella
|
causes trichinosis
|
infects humans through the consumption of undercooked meat
|
|
Hookworms
|
infects humans who walk barefoot on contaminated soil
|
|
|
Ascaris
|
causes ascariasis
|
infects humans through unwashed vegetables
|
|
Pinworms
|
commonly affects children
|
access the body through contaminated toys in the mouth
|
|
Filarial Worms
|
reside in mosquitoes, cause elephantiasis
|
live in the lymphatic system
|
|
body composition
|
head - thorax - abdomen
|
|
thorax
|
the body part between the head and abdomen
|
|
exoskeleton
|
made of chitin
|
|
movement
|
by appendages that can grow by molting
|
|
respiration
|
Gills (aquatic) - book lungs (spiders) - tracheal tubes (beetles)
|
|
Excretory organ
|
Malphigian Tubules
|
|
Classes
|
crustaceans - arachnids - myriapods - insects
|
|
mouthparts
|
sponging/licking, siphoning, piercing/sucking, chewing
|
|
complete metamorphosis
|
egg - larva - pupa - adult
|
|
incomplete metamorphosis
|
egg - nymph - adult
|
|
inactive stage of metamorphosis
|
pupa
|
|
symmetry
|
bilateral
|
|
|
cavity
|
acoelomates
|
|
|
body shape
|
flattened
|
|
|
excretory system
|
made of a network of tubules and flame cells
|
|
|
Classes
|
turbellarians - trematodes - cestodes
|
|
|
Turbellarians
|
free living freshwater flatworms
|
Ex: Planaria
|
|
Trematodes
|
parasitic and live within the host's blood
|
Ex: schistosoma (blood flukes)
|
|
Cestodes
|
parasitic worms with segmented bodies
|
Ex: tapeworms
|
|
cavity
|
coelomates
|
|
|
movement
|
muscular foot
|
|
|
openings
|
2
|
|
|
digestive tract
|
present
|
|
|
mantle
|
a membrane that surrounds the organs and produces CaCO3
|
|
|
Radula
|
rasping organ for feeding
|
|
|
Classes
|
Bivalves - cephalopods - Gastropods
|
|
|
Gastropods
|
foot located under the organism
|
Ex: Snail
|
|
Bivalves
|
shells are made of 2 parts
|
Ex: Oyster
|
|
Cephalopods
|
no foot, but have tentacles
|
Ex: Octopus
|
|
embryological development
|
deutrostomes
|
|
|
habitat
|
marine
|
|
|
skeleton
|
endoskeleton made of interlocking CaCO3
|
|
|
water vascular system
|
central ring canal and radial canals
|
|
|
movement
|
tubular feet
|
|
|
symmetry (adult)
|
radial
|
|
|
symmetry (larva)
|
bilateral
|
|
|
Asteroidiea
|
reproduces by regeneration
|
starfish
|
|
Ophiuroidea
|
brittle star
|
|
|
Echinoidea
|
have aristotle's lantern - are eaten by otters (mouthpart)
|
sea urchins
|
|
Holothuroidea
|
respiratory tree
|
sea cucumber
|
|
concentricycloidea
|
sea daisy
|
|
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
