Questão 1
Questão
they are circum global but entirely Aquatic
Questão 2
Questão
this phylum are charaterised by having [blank_start]radial[blank_end] symmetrical and are [blank_start]diploblastic.[blank_end] They possess [blank_start]cnidae[blank_end] and have a [blank_start]nerve net[blank_end], they posses a single [blank_start]body cavity[blank_end].
Responda
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radial
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diploblastic.
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cnidae
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nerve net
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body cavity
Questão 3
Questão
they have alternating generation, with a:
Responda
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Asexual polypoid
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Sexual medusiod
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Asexual Larvae
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leciothrophic larvae
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precociol
Questão 4
Questão
they have cilliate planula larvae
Questão 5
Questão
Describe what a dipoblastic structure is?
Responda
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Outer ectoderm, Inner entoderm, Separated by noncellular mesenchyme.
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Endoderm, epidermis and cytoplasm
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single celled membrane
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has a three structured system
Questão 6
Responda
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Gastrodermis
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Nemondermata
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Edodermis
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mesenchyme
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nematocyte
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Gatrobalder
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Receptor cell
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Reproductive cell
Questão 7
Questão
Check the type of cnidae
Responda
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pentrant
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glutinant
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volvent
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volitile
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kickstart
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propeller
Questão 8
Questão
the cnidarian is produce in the layers from cnidoblasts, becoming cnidocytes.
Questão 9
Questão
what type of feeders are they
Responda
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Ambush predators
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suspension
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filter
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forager
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autotrophic
Questão 10
Questão
they have nematocyst covered feeding tentacles
Questão 11
Questão
prey are [blank_start]partially[blank_end] digested in [blank_start]gastrovascular cavity,[blank_end] completed in food [blank_start]vascuoles[blank_end].
Responda
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partially
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gastrovascular cavity,
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vascuoles
Questão 12
Questão
polypoid, is a stage which occurs in [blank_start]all[blank_end] classes, its s [blank_start]tubular sessile[blank_end] organism that reproduce [blank_start]asexually[blank_end] by plates which produce [blank_start]medusa[blank_end], they are [blank_start]radially[blank_end] symmetrical.
Responda
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all
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tubular sessile
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asexually
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medusa
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radially
Questão 13
Questão
The medusoid occur in all [blank_start]medusozoa[blank_end] classes, the are [blank_start]free-swimming disc-shaped[blank_end] structures they use [blank_start]propulsion[blank_end] to move through the [blank_start]water column,[blank_end] they are also [blank_start]radially[blank_end] symmtrical, these reproduce [blank_start]sexually[blank_end] and are usually [blank_start]dioecious[blank_end].
Questão 14
Questão
label the diagram
Responda
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developing
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Medusa
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Planula
Questão 15
Questão
Name all the symbiosis relationships shown by cnidarian?
Responda
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Zooxanthellae
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fish
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crustaceans
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echinoderm
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porifera
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mollusca
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cetaceans
Questão 16
Questão
class Hydrozoa, these are the [blank_start]simplest[blank_end] cnidarians with [blank_start]alternating[blank_end] generations, they have [blank_start]benthic colonial[blank_end] stage may be [blank_start]polymorphic[blank_end] where the small medusa stay attached to the polyp
Responda
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simplest
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alternating
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benthic colonial
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polymorphic
Questão 17
Questão
Class Scyphozoa, is the [blank_start]true jellyfish[blank_end] they're exclusively [blank_start]marine[blank_end]. dominant and [blank_start]well-developed[blank_end] medusa phase
Responda
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true jellyfish
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marine
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well-developed
Questão 18
Questão
Cubozoa
contain the order of box jelly fish ([blank_start]cubomedusae[blank_end]), they are largely restricted to the [blank_start]tropics[blank_end], and they only produce a [blank_start]sigle medusa[blank_end]. they have well developed eye and also have [blank_start]toxic[blank_end] nematocysts
Responda
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cubomedusae
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tropics
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sigle medusa
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toxic
Questão 19
Questão
what classes are bioluminescence common in
Responda
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Hydrozoa
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Scphozoa
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alcyonaria
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Zoantharia
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holothoriodia
Questão 20
Questão
bioluminescence produce luciferin de novi, reacts with oxygen to produce light
Questão 21
Questão
The class Alcyonaria, contains sea pens, [blank_start]sea fans[blank_end] and soft coral, they are [blank_start]modularly[blank_end] colonial so there non-polymophism. they also have no medusal stage. they have an [blank_start]internal[blank_end] syupport system and [blank_start]pinnate[blank_end] tentacles, arranged in [blank_start]eight[blank_end].
Responda
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sea fans
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modularly
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internal
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pinnate
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eight
Questão 22
Questão
Class Zoantharia, which are [blank_start]sea anemones[blank_end] and hard corals [blank_start]solitary[blank_end] or modularly colonial and also have no medusa stage, have [blank_start]external[blank_end] support with tentacles in multiples of [blank_start]six.[blank_end]
Responda
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sea anemones
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solitary
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external
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six.