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WorksheetsRoutt Phylum: Coelenterata
Total questions: 41
Worksheet time: 21mins
Phylum Coelenterata is also called...
Porifera
Arthropoda
Cnideria
Sponges
Coelenterates are...
Monoblastic
Diploblastic
Triploblastic
Quadroblastic
Coelenterates are...
Radially Symmetrical.
Trilaterally Symmetrical.
Bilaterally Symmetrical.
Assymetrical
What are the two main forms of Coelenterates?
Anemones and Medusae
Polyps and Medusae
Corals and Anemones
Polyps and Corals
Coelenterates have _____ coelom.
...a complex...
...a simple...
...a sensitive...
...no...
A body opening for ingestion and egestion, surrounded by sensory tentacles.
Coelom
Diploblast
Hypostome
Gonad
Coelenterates have,,,
... sensory tentacles.
... nematocysts.
... colloblasts.
more than one of these.
Radially symmetrical means...
...having body parts arranged around a central axis.
... having a left and right side.
...having body parts NOT arranged around a central axis.
...assymetrical.
A specialized cell containing a barbed venomous coiled thread that can be projected.
Zooxanthella
Colloblast
Nematocyst
Hypostome
Where are nematocysts found?
Tentacles
Coelom
Gonads
Mesoglea
A body cavity between the intestinal canal and the body wall. (Coelenterates actually don't have one.)
Spongocoel
Gastric cavity
Coelom
Colloblast
Having 2 embryonic cell layers.
Dilamellar
Diploblastic
Triploblastic
Bilamellar
A hypostome is...
...a hypersoma.
...a multicellular structure in coelenterates that secretes a sticky substance for capturing prey.
...a cup shaped piece of calcium carbonate.
... a single body opening for ingestion/egestion, surrounded by sensory tentacles.
Drifting in the open water.
Eclectic
Planktonic
Pedantic
Benthic
A multicellular structure that secretes a sticky substance for capturing prey.
Hypostome
Nematocyst
Coelom
Colloblast
Cell which secretes a gluey substance for binding and capturing prey .
Collocyst
Collocyte
Colocoelom
Colloblast
The upper external surface of a medusa.
Superumbrella
Exumbrella
Subumbrella
Endumbrella
The under surface of a medusa.
Superumbrella
Exumbrella
Subumbrella
Endumbrella
Sensory structure of some jellyfish.
Zooxathellae
Hypostome
Gastroderm
Ropalium
Outer layer of skin.
Hypodermis
Epidermis
Gastrodermis
Endodermis
A gelatinous substance between the outer body wall and inner body wall of a coelenterate.
Mesoglea
Zooxathellae
Epidermis
Metaphase
Inner layer of cells lining the gastric cavity.
Gastrodermis
Endodermis
Epidermis
Hypodermis
Any organ producing gametes.
Gonad
Colloblast
Ovary
Sperm Cell
Any sex cell
Gonad
Nematocyst
Ovary
Gamete
Organ producing egg cells.
Amebacyte
Ovary
Gonad
Testis
Organ producing sperm cells.
Amebacyte
Ovary
Gonad
Testis
A sessile coelenterate.
Sponge
Medusa
Corallite
Polyp
A swimming coelenterate.
Zooxanthellae
Medusa
Gelatin Fish
Polyp
Skeletal cup, formed by an individual coral polyp.
Corallite
Medusa
Coral
Zooxanthellae
Algae that live within most types of coral polyps.
Mesoglea
Zooxathellae
Nematocyst
Collocyte
The _____ secretes calcium carbonate from its lower body to form the _____.
Coral... Medusa
Corallite... Polyp
Medusa... Coralite
Polyp... Corallite.
Zooxanthellae help the coral survive by providing _____ resulting from photosynthesis
Oxygen
Water
Protection
Food
The coral polyps provide the Zooxanthellae with _____ needed for photosynthesis
Oxygen
Chlorophyll
Protection and Nutrients
Food
Which coelenterate is this?
Jellyfish
Sponge
Sea Anemone
Hydra
Which coelenterate is this?
Sea Whip
Coral
Sea Anemone
Sea Pen
Which coelenterate is this?
Sea Anemone
Coral
Jellyfish
Sea Pen
Which coelenterate is this?
Sea Anemone
Coral
Jellyfish
Sea Pen
Which coelenterate is this?
Sea Whip
Coral
Sea Anemone
Sea Pen
Which coelenterate is this?
Sea Anemone
Coral
Jellyfish
Sea Fan
Which coelenterate is this?
Sea Anemone
Coral
Jellyfish
Sea Pen
Nematocyst vemon...
...Is sticky.
...Is harmless to people.
...Paralyzes.
...Causes viral infection.
