Quiz 1 Intro/Porifera

Question 1

compose the outside of a sponge

Answer 1

picanocytes

Question 2

is made up of picanocytes

Answer 2

picanoderm

Question 3

donut shaped cells

Answer 3

porocytes

Question 4

hole going through porocytes

Answer 4

prosopyle

Question 5

flagellated cells on the inside of the sponge

Answer 5

choanocytes

Question 6

responsible for creating a water current in the sponge and for all the filter feeding, and become sperm

Answer 6

choanocytes

Question 7

cell type which holds spicules, spongin, and/or mesohyl

Answer 7

amoebocytes and are totipotent (turn into anything else)

Question 8

the smallest body type of sponges

Answer 8

asconoid

Question 9

the second most complex body type for sponges

Answer 9

syconoid

Question 10

the most complex body type for sponges

Answer 10

leuconoids

Question 11

name of the hole in which through water enters a sponge

Answer 11

ostium

Question 12

large central cavity in a sponge

Answer 12

spongocoel

Question 13

hole at the top of the sponge through which water exits

Answer 13

osculum

Question 14

order of water flow in asconoids

Answer 14

ostium > spongocoel > osculum

Question 15

order of water flow in syconoids

Answer 15

ostium > incurrent canal > prosopyle > radial canal > apopyle > spongocoel > osculum

Question 16

in a syconoid, where are the choanocytes found

Answer 16

in the radial canal

Question 17

in a asconoid where are the choanocytes found

Answer 17

in the spongocoel

Question 18

water flow in a leuconoid

Answer 18

ostium > incurrent canal > prosopyle > flagellated chamber > apopyle > excurrent canal > spongocoel > osculum

Question 19

these compose the skeleton of many sponges

Answer 19

spicules