chapter 35 final

Question 1

the type of cell that draws water into a sponge is

Answer 1

collar cell

Question 2

water leaves the interior of a sponge through the

Answer 2

osculum

Question 3

sponges reproduce asexually by producing

Answer 3

gemmules

Question 4

in jellyfish, sexual reproduction occurs during the

Answer 4

medusa stage

Question 5

the protuguese man of was is a member of the class

Answer 5

hydrozoa

Question 6

a distinguishing defensive structure of cnidarians is the

Answer 6

nematocyst

Question 7

ctenophores have a sensory structure for orientation called the

Answer 7

apical organ

Question 8

adult sponges are sessile, which means that they

Answer 8

attach to a surface and do not move

Question 9

after a sponge egg is fertilized, it develops into a

Answer 9

larva

Question 10

corals exist in a symbiotic relationship with

Answer 10

algae

Question 11

colloblasts are

Answer 11

cells that secrete sticky substance in ctenophores

Question 12

a hydra shows _______ symmetry

Answer 12

radial

Question 13

ctenophores move through the water by

Answer 13

beating their cilia

Question 14

an example of a cnidarian in the class hydrozoa is a

Answer 14

portugese man of war

Question 15

cnidarians and ctenophores are more complex than sponges because, unlike sponges they have

Answer 15

tissues and organs

Question 16

the dominant body form in the life cycle of a scyphozoan

Answer 16

medusa

Question 17

both feeding and sexual reproduction in sponges involve

Answer 17

collar cells and amebocytes

Question 18

one of the most striking features of ctenophores is their

Answer 18

bioluminescence