Zoology Phylum Cnidaria
how deep are corals able to form reefs
100 ft
This class, whose name means flower animals, is composed of sea anemones and corals
Anthozoa
The unusual tissue found in cnidarians which help them move is called
Epitheliomuscular
The large hollow got of cnidarians is better known as the
Gastrovascular cavity
The freshwater member of the class Hydrozoa is
Hydra
the class that contains the hydra, obleia, and portugese man-of-war
Hydrazoa
The fin jellylike layer between the two germ layers of cnidarians is the
Mesoglea
The sessile polypoid colonial hydrozoan we studied is better known as
Obelia
Sexual reproduction in cnidarians is carried out by monoecious or dioecious forms. The resultant larval form is called a
Planula
The floating polymorphic colonial Hydrozoa is better known as
Portuguese man-of-war
The sensory structures in scyphozoans are called
Rhopalia
The true jellyfishes belong to the class
Scyphozoa
the small ciliated grooves on either side of an anemone's mouth are called
Siphonoglyphs
Cnidarians capture their prey with long string like structures called
Tentacles
a long string like structures used by cnidarians to capture their prey are known as
Tentacles
what do anemones not have
a medusa stage
what kind of reef is sinply a circular or semicircular reef with no island in the middle
atoll
what does a basal disc used for
attachment and locomotion
what kind of reef has a lagoon between the island and the reef
barrier
All cnidarians contain stinging cells called
cnidocytes
The stinging cells of cnidarians are called
cnidocytes
what creatures place anemones on their backs
crabs
what are the capturing or stinging polyps of a mon-of-war
dactylozooids
what is the outer layer of te germ layer
epidermis
what is different about the hudra compared to other hydrazoas
freshwater, no medusa, and a single organism
what kind of reef is found around newer islands, when the reef is found along the shoreline
fringing reef
what is the inner layer of the germ layers
gastrodermis
what are the feeding or digestive polyps of a man-of-war
gastrozooids
what are specialized asexual structures are called what and where is it produced
gonopores, gonangia
the kind of corals that build reefs are called
hermatypic
what does a gastrovascular cavity form
hydrostatic skeleton
what is under the mouth
hypostome
list in order all of the stages of the life cycle starting with medusa
medusa, zygote, planula, scyphistoma, strobila, ephyra, medusa
what do clown fishes produce to keep from being stung by their anemones
mucus
what are the light sensitive organs that help them determine light intensity
ocelli
what does the anemones mouth lead into
pharnyx
what is the gas filled sail or float of a man-of-war
pneumatophore
what does a clownfish get from an anemone
protection
what symmetry do they have
radial
clown fishes live in a mutually symbiotic relationship with
sea anemones
what don't corals have that anemones do
siphonoglyphs
hermatypic corals have a mutually symbiotic relationship with what kind of algae
zooxanthellae