diversity in living organisms animalia lvl 1 Flashcards
porifera habitat
all sponges are aquatic, in sea water, some in fresh water like spongilla
porifera symmetry
asymmetrical
porifera levek of organisation
cellular
porifera mobility
non motile, attach to solid support, young or larvae are motile
sponges skeleton
they possess outer hard layer or skeleton
porifera reproduce
both by sexually and asexually
they are bisexual - eggs and sperms are produced by same individual
porifera ex
spongilla, cycon, euplectella
cnidaria habitat
all aquatic, mostly marine water, hydra in fresh water
cnidaria solitary?
solitary - hydra
colonial - obelia, physalia
cnidaria level of organisation
tissue
cnidaria symmetry
radial
cnidaria ingestion and excretion
thay have one opening for both
cnidaria are -blastic
diploblastic
cnidaria reproduce
both asexual and sexual
thay can be unisexual and bisexual
cnidaria ex
hydra, obelia, aurelia(jelly fish), sea anemone