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14269351
Invertebrates (to lophotrochozoans)
Descripción
Biology Mapa Mental sobre Invertebrates (to lophotrochozoans), creado por Natalie Simpkins el 26/06/2018.
Sin etiquetas
biology
Mapa Mental por
Natalie Simpkins
, actualizado hace más de 1 año
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Creado por
Natalie Simpkins
hace casi 6 años
4
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Resumen del Recurso
Invertebrates (to lophotrochozoans)
Porifera
sponges
Marine suspension feeders
hermaphrodites
Structure
spongocel (central cavity) with osculum
cells
choanocytes
collar cells
engulf food via phagocytosis
amoebocytes
pseudopodia
function
take up food and digest
transport nutrients
manufacture skeletal fibers
transform to other cells
2 layers
separated by mesophyl
gelatinous
Eumetazoa
Cnidarians
sessile or motile carnivores
hydras, corals, jellies
polyp
sessile (cylindrical)
medusa
motile (mouth down)
structure
diploblastic and radial
gastovascular cavity (mouth and anus)
specialized cnidae
nematocysts
stinging thread
limited nerve net
4 Clades
Hydrozoa
atl. poylp and medusa
hydras only in polyp form
mainly asexual but sex. when stressed
Schphozoa
medusa mostly, coastal have small polyp stage
jellies
Cubizoa
marine
strong swimmers
medusa
features
highly toxic cnidae
complex eyes in fringe
Anthozoa
sea anemones and coral
secrete hard skeleton
only polyps
Bilateria
Lophotrochozoans
based on locophore structure and trochophore larva
2-opening digestive tract
bilateral and triploblastic
6 phyla
Platyhelminthes
structure
dorsoventrally flattened
acoelomates
1 opening in gastovascular
protonephridia
primative "kidney"
2 types
Rhabditophorans
parastes
trematodes
tapeworms
taeniasis
Cysticerosis
opthalmic cysticerosis
Neurocysticerosis
planarians
more complex CNS
fission
predators
Catenulida
Rotifers
anywhere wet
smaller than protists
pseudocoelomates
parthogenesis
molluscs
soft bodied but hard shell
KNOW STRUCTURE
coelomates
seperate sexes mostly
4 clades
Polyplacophora
oval with 8 dorsal plates but body unsegmented
marine, alga eaters
Gastropoda
snails and slugs
live anywhere
torsion and spiral shell
Bivalvia
clams, oysters, mussels, and scallops
suspension feeders
Cephalopoda
active marine predators
use tentacles to grab prey, beak, poison saliva
squids and octopi
closed circulatory system
annelids
coelomates with fused body rings
2 clades
Errantia
mobile marine
parapoda
chaetae
Sedentarian
leeches and earthworms
less mobile
burrow in substrate
some secrete Hirudin
Lophophorates
locophore structure
coelomates
2 phyla
ectopoda
sessile colonial
encrusting, arboreal, or gelatinous
encased in exoskeleton
asexual by budding
"moss animals"
Brachiopoda
lamp shells
hinged dorsally
sessile filter feeders
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