Term
|
Definition
no symmetry
no tissue organization
no body cavity
intracellular digestion
water transpot- ciruclatory
aquatic fresh water habitat
breathes- collar cells cell membrane diffusion
no excretory system
sessile locomotion
spicules support
no segmentation
no appendages
no nervous system organization |
|
|
Term
|
Definition
radial sym.
2 distinct layers
no body cavity
dig. open mouth
no circulatory systen'fresh water
diffusion thru epidermis
shit out of epidermis
tentacles locomo
hydrostatic support sytem
no segmentation
tentacles = appendages
nerve net |
|
|
Term
|
Definition
bilateral sym
3 distinct
acoelomate
mouth, pharynx
lack circulatory system
aquatic/terrestial
diffusion breate
lateral excretory canals, flame cells
creep with cilia on ventral side
hydrostatic
no segment
no append
brain and two ventral nerve chords |
|
|
Term
|
Definition
bilateral
distinct 3 layers
coelum
2 siphons
open
water
gills
siphon
foot
shell
yes
no
3 ganglis connected to nerves |
|
|
Term
|
Definition
bilateral sym
distinct 3 layers
eucoeluomate
mouth, anus
closed
terrestial
skin
anus
seta - locomotion
epidermis/hydrostatic
yes
no
ventral small brain, nerve chord |
|
|
Term
|
Definition
bilateral sym
distinct
none
mouth, anus
open
aquatic
gills
intestine
tail + fin
notochord
segmented muscle
none
notochord, dorsal nerve chord |
|
|
Term
|
Definition
bilateral
tripoblastic
eucoelomate
mouth anus
aquatic
gills
intestine stomach
exoskeleton
yes
swimmerets, head, thorx, abdomen
brain, ventral nerve chord
swimmerets, antenna |
|
|
Term
|
Definition
bilateral
tripoblasty
eucoelomate
mouth anus
open
terrestial
trachae
malpighian tubules
jump, walk, fly
exoskeleton
yes
wings antennae
ventral nerve chord |
|
|
Term
|
Definition
| bilateral 3 distinct tissue layer psuedocoelomate mouth anus none host aerobic nephridia longitduinal muscles body wall yes no ring of nervous tissue |
|
|
