ctenophora Flashcards
1
Q
What is the distinguishing feature of the phylum Ctenophora?
A
eight rows of evenly spaced ciliated bands
2
Q
How do ctenophores move?
A
propulsion by beating of cilia on comb plates
3
Q
How do ctenophores feed?
A
pair of short tentacles to grab food, lack cnidocytes found in cnidarians
4
Q
Do ctenophores have a digestive system?
A
yes, consists of mouth, stomach, gastrovascular canals, and anal canal
5
Q
How do ctenophores reproduce?
A
monoecious (hermaphrodites), sperm ducts and oviducts transport sperm and eggs, fertilization occurs externally
6
Q
How many tissue layers do ctenophores have?
A
2, epidermis and gastrodermis with gelatinous collenchyme in between
7
Q
How do ctenophores capture food?
A
colloblasts
8
Q
What is another name for the comb rows?
A
ctenes
