1.
_____ sponges are harmful in our ecosystem: boring
2.
4 types of sponge cells: epidermal cells, pore cells, choanocytes/ collar cells, amoeboid cells
3.
active filtering within sponges takes place in _______: collar cells
4.
amoeboid cells function: make skeleton, transport food, make sex cells
5.
asconoid means: sac-like
6.
calcium sponges are made up of ____, but may also contain ______: calcium spicules, spongin
7.
choanocytes or collar cells function: have flagella; collect food by creating currents; make sex cells
8.
different types of sponges grouped by skeletal material: silicon, calcium, spongin only
9.
gemmules: spores used in sponge asexual reproduction
10.
larvae of sponges are called: planula
11.
leuconoid sponges have more _____, _____, ____: collar cells, current, oscula
12.
many sponges are ______: hermaphrodites
13.
name the sponge body plans in order from least to most complex: asconoid, synconoid, leuconoid
14.
not many creatures eat ____ sponges because of their skeletal material: silicon
15.
osculum: opening at top of sponge
16.
ostia: tiny pore on surface of a sponge that allows water to enter
17.
planula have: cilia to swim
18.
pore cells function: tube-like to let water in
19.
Porifera means: pore bearer
20.
regeneration: way sponges reproduce asexually
21.
sex cells of sponges are made by _____ or _____: collar cells, amoebocytes
22.
silicon sponges are made up of: glass spicules
23.
spicules: small calcareous or siliceous bodies embedded in the cells of sponges that provide structural support
24.
Sponge body design-- 7 facts: simplest multicellular organisms, no nerves/tissues/organs, 2 cell layers, mesoglea, sessile, asymmetrical/radial, skeleton made of spicules or spongin
25.
Sponges are _____ feeders: filter, type of suspension
26.
Sponges have ____ cell layers: 2
27.
Sponges produce secondary metabolites so that they: taste bad, smell bad, or are toxic
28.
sponges reproduce asexually using ______, and ______: regeneration, gemmules (spores)
29.
sponges reproduce sexually using ______, and _____: spawning, internal fertilization
30.
Sponges use ______ to feed and remove waste: diffusion
31.
sponges' secondary metabolites: molecules used by organism for protection of their space, eggs, etc. and for finding mates
32.
spongin: protein that forms tough elastic fibers that provide structural support for sponges
33.
spongin only sponges are made up of: protein fibers
34.
spongocoel: space inside the sponge; where the collar cells are in asconoid sponges
35.
synconoid sponges have more ______, and ______: folds, collar cells
36.
transport of food in sponges takes place in ______: amoeboid cells
37.
what are the 2 cell layers of sponges?: outer and inner
38.
what sponges are the largest: leuconoid
39.
what sponges are the smallest: asconoid