Porifera Flashcards
1
Q
the most primitive animals are?
A
porifera
2
Q
proferra is _ language word
A
latin
3
Q
pore =
ferra =
A
pores
to bear
= to bear pores
4
Q
porrifera is also called
A
sponges
5
Q
All porifera lives in __
A
aquatic env
6
Q
total species of porifera
A
5000
7
Q
how many species of porifera live in fresh water
A
150
8
Q
majority of porifera lives
A
in marine water
9
Q
Symmetry of porifera
A
no symmetry
10
Q
Sponges have body wall formed of __
A
outer layer = Pinacoderm
inner layer = choanoderm
11
Q
choanocytes are made up of ____ cells
A
flagellated collar cells
12
Q
between choanoderm and pinacoderm __ is present
A
mesenchyme
13
Q
___ is barrel like glass sponge of antarctica more than a meter tall
A
scolymastra joubini
14
Q
body cavity of sponges is called?
A
spongocoel
15
Q
Pores on body wall of sponges through which water enters?
A
Ostia
