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Domain Eukarya: Kingdom Animalia, Locomotion, Tubular , Flame cells,…
Domain Eukarya: Kingdom Animalia
Cnidarian
Unique characteristics
Dimorphism
polyp
medusa
Symmetry body
radial symmetry
biradial symmetry
Double-layered
body sac
inner layer
outer layer
Nerve net
Hydra sp.
With tentacles
Eumetazoa
Diploblastic
endoderm and ectoderm
Obelia sp. Hydra sp.
Nematode
Unique characteristics
one-way digestive system
mouth and anus
Narrow body pointed at both ends
Pseudocoelomate
Unsegmented body
Cylindrical body
tapering at both sides
Triploblastic
Bilateral symmetry
Dioecious
Some are parasites
Ascaris sp.
Platyhelminthes
Unique characteristics
Parasite
Bilateral symmetry body
Mouth but no anus
Eumetazoa
Cephalisation occurs
Acoelomate
Triploblastic
endoderm
mesoderm
ectoderm
No circulatory system and metamerism
Hermaphrodite
Taenia sp.
Porifera
Unique characteristics
Parazoa
Asymmetry body
Saclike bodies with many pores
Sessile
Water current system is
produced
Filter feeders
Reproduction
Specialised cells of sponges
Choanocytes
Leucosolenia sp.
Locomotion
contraction of longitudinal muscles
Tubular
Flame cells
Evolutionary Relationship in Animal Kingdom
multicellular animals
cellular level
phylum Porifera
tissue/organ level
diploblastic animal and radially symmetrical
phylum Cnidaria
triploblastic animals and bilaterally symetrical
acoelomate
phylum Plathyeminthes
pseudocoelomate
phylum Nematoda
coelomate
unsegmented body
phylum Mollusca phylum Echinodermata
segmented body
phylum Annelida phylum Arthopoda
phylum Chordata
Amoebocytes
Porocytes
Pinacocytes
phylum
phylum
phylum
phylum
level of organisation
germ layers
body coelom and symmetry
segmentation
exp.
most
sea anemones
exp.
exp.
exp.
exp.