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LIFE 103- Quiz 6

QuestionAnswer
thigmotaxis moving in response to touch
what organism had cilia? paramecium
what organism had flagella? trypanosoma
what organism had pseudopodia? amoeba
trypanosoma causes what disease? African Sleeping Sickness
purpose of contracile vacuole prevents cells from bursting (amoeba)
porifera symmetry radial or none
adult sponges are _____ (movement related) sessile
sponges' rod-like skeletal elements spicules
spicules are made of spongin
inside chamber of a sponge spongocoel
water flows into sponge through ostia
water flows out of sponge through osculum
flagellated cells inside sponge choanocytes
porifera zygote flagellated larva
organelle in cnidaria that stings nematocyst
are cnidarians dipoblastic or tripoblastic? dipoblastic
two true tissue layers in cnidaria ectoderm (epidermis, endoderm); gastrodermis (digestion)
two body forms of cnidarians polyp; medusa
hydrostatic skeleton water gives support to the medusa body
three classes of cnidaria hydrozoa (polyp/ man o' war) , scyphozoa (medusa/ jellies), anthozoa (polyp/ corals)
draw a jelly
draw a sea anemone
Created by: melaniebeale
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