Porifera Flashcards
(23 cards)
the most primitive animals are?
porifera
proferra is _ language word
latin
pore =
ferra =
pores
to bear
= to bear pores
porrifera is also called
sponges
All porifera lives in __
aquatic env
total species of porifera
5000
how many species of porifera live in fresh water
150
majority of porifera lives
in marine water
Symmetry of porifera
no symmetry
Sponges have body wall formed of __
outer layer = Pinacoderm
inner layer = choanoderm
choanocytes are made up of ____ cells
flagellated collar cells
between choanoderm and pinacoderm __ is present
mesenchyme
___ is barrel like glass sponge of antarctica more than a meter tall
scolymastra joubini
body cavity of sponges is called?
spongocoel
Pores on body wall of sponges through which water enters?
Ostia
Pores on body wall of sponges through which water exits?
Osculum
skeleton of sponges called?
spicules
mode of reproduction in sponges?
sexal = hermaphrodite
asexual= budding
Best commercial sponge is found in?
Mediterranean sea
Sycon is _ sponge
marine
spongilla is _ sponge
fresh water
Leucosolenia is _ sponge
erect tube sponge
Euplectella is _ sponge
Glassy frame work
VENUS FLOWER BASKET
