Download Invertebrate Animal Chart

Invertebrate Chart
Phylum Name
Meaning/Common
Porifera
Pore-bearing
Cnidaria
Stinging cells
Platyhelminthes
Flatworm
Nematoda
Roundworms; “little thread”
Bath sponges; vase sponges;
tube sponges
Medusa—jellyfish,port man a war;
Polyp- Sea Anemone; coral; hydra
Planaria; tapeworms; flukes
Hookworms; pinworms;
heartworms
Absent
Two-ecto & endo derm
Three(ecto, endo and mesoderm)
Three
Asymmetrical
Radial
Bilateral
Bilateral
Absent
Absent
Present (eyespots; central
ganglion)
Present (head to tail)
Absent
Absent
Absent
Pseudocoelom
None
None
Protostome
Protostome
Filter feeders, sessile,collar
cells
Gastrovascular cavity;
extracellular digestion; paralyzes
prey(cnidocytes/nematocysts)
Mouth>Gastrovascular cavity>
incomplete(2 way digestion)
Scavengers, carnivores, parasitic
Parasitic, Carnivores; grasp food
with mouth parts
Gastrovascular cavity; pharynx;
gut,2 way system(incomplete)
None; diffusion
None; diffusion
Tube-within-a-tube; two
openings; one-way
tract(complete)
Diffusion through body wall
None; diffusion, amoebocytesspecialized cells for moving
materials, collar cells move
water in thru pore out
osculum
Diffusion by individual cells
None; diffusion
None; diffusion
None; diffusion
Diffusion by individual cells, out
mouth
Flame cells(filter), waste out
mouth
Diffusion
None
Nerve net to coordinate
movement and muscles to
contract
Hydrostatic pressure
Ganglia(nerve endings);
eyespots; nerve cord
Nerve ring; nerves that extend
length of body
Cilia; muscle cells, hydrostatic
skeleton
Hydrostatic skeleton;
longitudinal muscles
Sexual: hermaphrodites(external fertilization); asexually
(budding)
Sexual: hermaphrodites;
asexually (regeneration)
Sexual: separate sexes; internal
fertilization
Name
Examples
(atleast 2)
# of
Germ Layers
Body
Symmetry
Cephalization
(if yes, list
structures)
Coelom
Early
Development
Feeding
Method
Digestive
Structures
Respiratory
Choanocytes(collar cells),
amoebocytes; intracellular
digestion
None; simple diffusion
Structures
Circulatory System
(Open or Closed)
(also list structures)
Excretory
Structures
Nervous
Structures
0Support
Structures
Reproduction
Method
& Fertilization
Spicules-needle like structures
and spongin-spongy material
Sexual: hermaphrodites;
asexually (budding,
regeneration, gemmules)
Phylum Name
Meaning/Common
Annelida
“Little ring”, segmented worms
Class Gastropoda
Stomach foot
2 shells
Class Bivalvia
Class Cephalopoda
Head-foot
Examples
Earthworms; leeches
Snails; slugs
Clams; mussels; oysters
(atleast 2)
# of
Octopus; squid; chambered
nautilus
Three
Three
Three
Three
Bilateral
Bilateral
Bilateral
Bilateral
Present-cerebral ganglia
Present (brain; nerve cords;
ganglia)
Present (brain; nerve cords)
Present (brain; nerve cords)
True coelom
True coelom
True coelom
True coelom
Protostome
Protostome
Protostome
Protostome
Carnivores, scavengers,
parasitic, saprophytesdecomposer(detritovores)
Mouth, pharynx, esophagus,
crop, gizzard, intestine, anus
Use radula to scrape food
Filter feeders
Carnivores; hunt prey, capture
with tentacles
Radula; siphon; complete
digestive tract
Complete digestive tract
Complete digestive tract
Diffusion through skin
Gills; skin
Gills
Gills
Closed; dorsal and ventral aorta;
five pumping “hearts”-aortic
arches-dorsal/ventral blood
vessel
Nephridia-one pair/segment
Open; pumping heart
Open; pumping heart
Open; pumping heart
Nephridia; anus
Nephridia; anus
Nephridia; anus
Simple brain; ventral nerve
cord w/circular nerves on each
segment
Hydrostatic skeleton;
longitudinal muscles; circular
muscles, setae to anchor
Sexual: hermaphrodites; internal
fertilization; asexualregeneration
Ganglia; nerve cords
Small ganglia; nerve cord;
eyespots
Highly developed brain
Muscular foot; shell
Muscular foot; 2 shells
Internal pen
Sexual: external fertilization
Sexual: external fertilization
Sexual: internal fertilization
Name
Germ Layers
Body
Symmetry
Cephalization
(if yes, list
structures)
Coelom
Early
Development
Feeding
Method
Digestive
Structures
Respiratory
Structures
Circulatory System
(Open or Closed)
(also list structures)
Excretory
Structures
Nervous
Structures
Support
Structures
Reproduction
Method
& Fertilization
Phylum Name
Meaning/Common
Class Insecta
Class Arachnida
Class Crustacea
Phylum Echinodermata
Spiny skin
To cut
Spider
Shell
Examples
Locust; grasshopper; ladybug
Spiders; mites; ticks; scorpions
Crayfish; lobster; shrimp;crabs
(atleast 2)
# of
Starfish; sand dollars; sea
urchins
Three
Three
Three
Three
Bilateral, three body segmentshead, thorax and abdomen
Bilateral, 2 body segmentsabdomen and cephalothorax
Bilateral, 2 body segments-head
and cephalothorax
Radial
Cephalization
(if yes, list
structures)
Coelom
Present (brain; nerve cords;
ganglia)
Present (brain; nerve cords)
Present (brain; nerve cords)
Absent
True coelom
True coelom
True coelom
True coelom
Early
Protostome; complete or
incomplete metamorphosis
Protostome; incomplete
metamorphosis
Protostome; incomplete
metamorphosis
Deuterostome
Mouth parts to ingest food
Fangs to paralyze prey; external
digestive
Chelipeds-pincers; mouthparts
to capture and eat prey
Tube feet; will invert stomach
into clam
Complete digestive tract
Complete digestive tract;
chelicerae-fangs
Complete digestive tract
Stomach; digestive glands
Tracheae; spiracles
Book lungs
Gills
Skin gills; tube feet
Open; pumping heart
Open; pumping heart
Open; pumping heart
Water vascular system; diffusion
Malpighian tubules-liquid
wastes; anus
Malpighian tubules; anus
Green glands-liquid waste; anus
Anus; skin gills
Brain; complex and simple eyes;
ganglia
Brain; complex eyes; ganglia
Brain; ganglia
Nerve ring; radial nerves;
sensory cells
Exoskeleton-chitin; muscles; 3
body segments-head, thorax,
abdomen; 3 pairs of legs
Exoskeleton; muscles; 2 body
segments-cephalothorax &
abdomen; 8 legs
Hydrostatic skeleton; water
vascular system
Sexual: internal fertilization
Sexual: internal fertilization
Exoskeleton-chitin; muscles; 2
body segments-cephalothorax &
abdomen; 5 or more pairs of
legs
Sexual: internal fertilization
Name
Germ Layers
Body
Symmetry
Development
Feeding
Method
Digestive
Structures
Respiratory
Structures
Circulatory System
(Open or Closed)
(also list structures)
Excretory
Structures
Nervous
Structures
Support
Structures
Reproduction
Method
& Fertilization
Sexual: external fertilization;
separate sexes
Asexual: regeneration