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Worksheetsanimal kingdom
Total questions: 10
Worksheet time: 3mins
2. The large opening at the top of the sponge is called the
Osculum
Spicule
Porocyte
Spongocoel
3. Which of the following is NOT what a sponge skeleton can be made of?
Spongin
Cnidocyst
Silica
Spicule
5. Sponges feed by filtering _____________ out of the water column as it passes through the spongocoel.
small fish
oxygen
macro algae
plankton
7. What are stinging organelles with a coiled thread found in the tentacles which are used to capture prey or defend against predators?
cnidocytes
nematocytes
choanocytes
pinacocytes
This picture of a sea anemone would represent which form of a Cnidarian?
Medusa
Larval
Polyp
Free-swimming
Cnidarians were the first animals to develop _____________ cells so they could react to their environment.
epidermis
nerve
collar
gastrodermis
Platyhelminthes are best described as
Flatworms,triploblastic,acoelomate animals
Flatworms,diploblastic,acoelomate animals
Flatworms,triploblastic,Pseudocoelomates
Flatworms,triploblastic,coelomates
