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earthworm, jellyfish, human, snail, sponge, tapeworm, starfish, centipede.

2006-11-21 13:08:51 · 4 answers · asked by Anonymous in Science & Mathematics Biology

4 answers

first they are all animals
sponge
(cells not differentiated into tissue)
jellyfish
(single opening to digestive tract)
tapeworm
(tissue differentiation but no symmetry)
starfish
(complex tissue differentiation, radial symmetry)

earthworm

snail

centipede

human

2006-11-21 13:11:20 · answer #1 · answered by shogunly 5 · 0 0

sponge, earthworm, tapeworm, starfish, jellyfish, snail, centipede, human

2006-11-21 21:12:13 · answer #2 · answered by ladyjeansntee 4 · 0 0

sponge,
jellyfish,
starfish,
earthworm,
tapeworm,
slackers,
snail,
centipede.
human,

2006-11-21 21:11:23 · answer #3 · answered by Anonymous · 0 2

Earthworm
Sponge
Starfish
Snail
Centipede
Jellyfish
Tapeworm

2006-11-21 21:17:37 · answer #4 · answered by drea 1 · 0 1

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