This is the part of the sponge that deals with support and structure. They are in different shapes (# of rays)
What are Spicules.
100
The level of organization that sponges have.
What is the Cellular or Cell Level.
100
Collar cells with a single flagellum that create water currents are called what?
What are Choanocytes.
100
Some sponges have male and female sexes in one individual. The term for this is what?
What is Hermaphrodite.
100
Which type of sponge canal system is considered the simplest type?
What is an Asconoid.
200
This is the large opening at the end of a sponge, where water and waste exit....the excurrent opening.
What is the Osculum.
200
These are the 2 types of symmetry displayed in sponges.
What are Asymetrical and Radial.
200
Sponges are considered this because they do not move from place to place.
What is Sessile.
200
When a sponge reproduces asexually, they form an internal bud called this....which will withstand harsh weather conditions.
What is a gemmule.
200
This is the name given to the type of sponge that is second when it comes to complexity. The water is filtered through two filter systems before exiting to the spongocoel.
What are syconoids.
300
This is term used to describe the tiny pores in the walls of a sponge for incurrent flow.
What are Ostia.
300
This describes the habitat of sponges.
What is All Aquatic, Mostly Marine-Saltwater
300
If a sponge breaks into many pieces, all the pieces many reproduce into new sponges: this is called:
What is fragmentation
300
What stage is the offspring of sponge when it swims out of the female and implants elsewhere...This is the only time the sponge is free-swimming or motile.
What is The Larva
300
This is the main structural protein in sponges.
What is Collagen and or Spongin (which is made out of collagen).
400
This is the large cavity in the middle of the sponge.
What is the Spongocoel or Hydrocoel
400
This term describes the process in which respiration and excretion are carried out in sponges.
What is Diffusion.
400
Sponges do not have one of these, which is why they have a limited response to stimuli.
What is a Nervous System ?
400
Gemmules are equatable to what bacteria or fungi or protist feature?
spores or cysts
400
This is the name of the specialized cell that carries materials through the middle layer
What is an Archaeocyte or Amebocyte.
500
This is gelatinous matrix in which cells and skeletal structures are found.
What is the Mesoglea or Mesohyl.
500
The sponge depends on this way of getting its food
What is filter-feeding OR having a Current of Water flowing through the body.
500
This is the name of the most complex type of sponge.
What is a Leuconoid.
500
Whenever there are harsh weather conditions in the habitat of the sponge, this type of reproduction takes place.
What is Asexual Reproduction.
500
This is the english translation of phylum Porifera.