science module 13 test

sponge is porifera

what purpose do spongin substances serve in a sponge

sea anemone is annelida

why do cnidarians not need a respiratory or excretory system

o

sponges get their prey by pulling water into themselves

main mode of asexual reproduction in plantarian is regeneration

m

n

what is another name for large coral colony

c

what similarities exist between hydra sexual reproduction and earthworms

do the vast majority of animals have a backbone

segmented worm is platyhelminthes

if a jellyfish produces saexually what form is it in?

d

clam is mollusca

a

h

if a flatworm has no complex or digestive systems, is it most likely free living or parastic

radical symmetry is a characteristic of

what benifits do earthworms give the plant in the soil they inhabit

p

difference between nematocysts hydra and sea anemone hydra triggered by chemical and sea anemone is triggered by chemial

what is the predominant mode of asexual reproduction in sponge

b

l

flatworm is annelida

role amoebocytes play in anatomy of a sponge is help structure

which two features are commonly found in mollusks

when does a sponge produce gemmules

decribe the circulatory system of earthworms

what is cephalization and which organisms generally bexhit it

some biology books say that jellyfish live dual lives? why

j

sponge is soft does it contain spircules or spongin?

i

f

what will happen to a earthworm if its cuticle gets dry

k

e

g