Cells
thin, flat, epethilial like cells that cover the exterior of a sponge
pinacocytes
Name for the pores on a sponge
Ostia
Sponges have what type of symmetry
asymmetry
Spicules are made of calcium carbonate
calcarea
The process in which sponges get their food is called
filter feeding
Cells used by a sponge to create an incoming current
choanocytes
The exit opening on a sponge where water and wastes leave
osculum
what makes the harp sponge different?
it is a carnivore
Contains 95% of living sponge species, including freshwater sponges
demospongiae
A giant barrel sponge is nicknamed the
redwood of the reef
The jellylike extracellular matrix in a sponge
mesohyl
Skeleton type make up of flexible protein fibers
spongin
When sperm are released into the water by one sponge and taken into the canal system of another to be fertilized it is called
internal fertilization
Spicules are straight or have three or four rays
Calcarea
Choanocytes are also known as ___________cells.
collar
The hollow center in a sponge
spongocoel
skeleton type make up of microscopic needlelike structures
spicules
Sponges are broken down into different classes based on
spicule configuration
Contains mostly deep-sea forms, such as glass sponges
hexactinellida
sponge body form with canals
syconoid
Cells which carry nutrients to other parts of the sponge
Archaeocytes
Archaeocytes are also known as this because they have irregular shapes:
ameoboytes
In addition to gathering food, what other process are choanocytes important for?
respiration
Spicules often have six rays
Hexactinellida
sponge body form with chambers
Leuconoid