WorksheetsKINGDOM ANIMALIA: PHYLUM PORIFERA
Total questions: 15
Worksheet time: 13mins
Flagella inside a sponge keep water moving through its body. Why is this necessary?
It prevents the sponge from floating away
It allows the sponge to feed
It allows the sponge to absorb carbon dioxide
It maintains the water pressure inside the sponge
___________ are tiny hard particles that give a sponge support.
Spongin
Bones
Buds
Spicules
Cells have sticky, funnel-shaped collar to collect food particles and a flagellum that creates a water current.
Amoebocyte
Porocyte
Pinacocyte
Choanocyte
The cells inside the sponge that have flagella are called ...
collar cells
flagella
osculum
pores
Sponges are primarily sessile organisms. What does this mean?
They live permanently in one palce
They move around their whole life
Which of the following type of cell digests and distributes food for the sponge?
Choanocytes
Amoebocytes
Pinacocytes
Porocytes
Asexual sponge reproduction where a piece of the adult sponge breaks off and settles in a new area growing to adulthood.
Binary fission
Branching
Budding
Vegetative propagation
What does the Phylum name "Porifera" mean?
Hole-bearing
Pore-bearing
Full of holes
Sponge-like
What is the name of the exit opening at the top of the spongocoel?
Spicule
Ostia
Pore
Osculum
Sponges are _______________, meaning there are both male and female cells in one individual.
dioecious
trioecious
monoecious
How are sponges beneficial?
Shelter and food for other organisms
Humans eat them
Used for medicines
Use them as natural sponges
Which of these is a picture of a choanocyte?
