Sponges
Cnidaria
Mystery!
Coral Reefs
Anatomy
100
This is what the word "porifera" means.
What is pore-bearing?
100
Clownfish live symbiotically with what cnidarian?
What is a sea anemone?
100
These types of organisms do not have a backbone.
What are invertebrates?
100
This is the name of symbiotic algae that lives within a coral polyp.
What is zooxanthellae?
100
Cnidarians have this type of symmetry.
What is radial symmetry?
200
This is how all sponges feed.
What is filter feeding?
200
This type of cnidarian is non-moving and attached to substrate.
What is a polyp?
200
This is the most dangerous cnidarian.
What is the box jellyfish?
200
Corals get their characteristics beautiful colors from these creatures.
What are zooxanthellae?
200
These are the pores of a sponge that allow water to flow in.
What is Ostia?
300
All sponges cannot move, which means they are_________.
What is sessile?
300
This is the stinging cell of all cnidarians/
What are nematocysts?
300
Porifera and Cnidaria are both types of...?
What is a phylum?
300
This is the major cause of coral bleaching.
What is high water temperatures? (global warming)
300
Cnidarians do not have a brain. Instead they have this:
What is a nerve net?
400
Means by which most sponges reproduce.
What is budding?
400
Cnidarian that is actually 4 organisms in one.
What is the Portuguese Man-o-War?
400
Why are clownfish not harmed by the sea anemone's tentacles?
They are coated in mucus.
400
Name two advantages that coral provides the zooxanthellae.
Provides carbon dioxide, nitrates, phosphates, and protection.
400
This structure enables water to flow OUT of a sponge.
What is the osculum?
500
These types of cells have a flagellum to propel water through a sponge.
What are collar cells?
500
This type of Cnidarian is free swimming
What is a medusa?
500
Corals live in large groups. They are considered ______________.
What is colonial?
500
Name two advantages that zooxanthellae provide coral.
Oxygen, removes waste, provides glucose, glycerol, amino acids.
500
Corals secrete this reef-building material.
What is calcium carbonate? (CaCO3)
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