Cnidaria

Descrição

first year revision
chloe allen
Quiz por chloe allen, atualizado more than 1 year ago
chloe allen
Criado por chloe allen mais de 7 anos atrás
71
1

Resumo de Recurso

Questão 1

Questão
they are circum global but entirely Aquatic
Responda
  • True
  • False

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
  • radial
  • diploblastic.
  • cnidae
  • nerve net
  • body cavity

Questão 3

Questão
they have alternating generation, with a:
Responda
  • Asexual polypoid
  • Sexual medusiod
  • Asexual Larvae
  • leciothrophic larvae
  • precociol

Questão 4

Questão
they have cilliate planula larvae
Responda
  • True
  • False

Questão 5

Questão
Describe what a dipoblastic structure is?
Responda
  • Outer ectoderm, Inner entoderm, Separated by noncellular mesenchyme.
  • Endoderm, epidermis and cytoplasm
  • single celled membrane
  • has a three structured system

Questão 6

Questão
Add the labels
Responda
  • Gastrodermis
  • Nemondermata
  • Edodermis
  • mesenchyme
  • nematocyte
  • Gatrobalder
  • Receptor cell
  • Reproductive cell

Questão 7

Questão
Check the type of cnidae
Responda
  • pentrant
  • glutinant
  • volvent
  • volitile
  • kickstart
  • propeller

Questão 8

Questão
the cnidarian is produce in the layers from cnidoblasts, becoming cnidocytes.
Responda
  • True
  • False

Questão 9

Questão
what type of feeders are they
Responda
  • Ambush predators
  • suspension
  • filter
  • forager
  • autotrophic

Questão 10

Questão
they have nematocyst covered feeding tentacles
Responda
  • True
  • False

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
  • partially
  • gastrovascular cavity,
  • 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
  • all
  • tubular sessile
  • asexually
  • medusa
  • 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].
Responda
  • medusozoa
  • free-swimming disc-shaped
  • propulsion
  • water column,
  • radially
  • sexually
  • dioecious

Questão 14

Questão
label the diagram
Responda
  • developing
  • Medusa
  • Planula

Questão 15

Questão
Name all the symbiosis relationships shown by cnidarian?
Responda
  • Zooxanthellae
  • fish
  • crustaceans
  • echinoderm
  • porifera
  • mollusca
  • 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
  • simplest
  • alternating
  • benthic colonial
  • 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
  • true jellyfish
  • marine
  • 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
  • cubomedusae
  • tropics
  • sigle medusa
  • toxic

Questão 19

Questão
what classes are bioluminescence common in
Responda
  • Hydrozoa
  • Scphozoa
  • alcyonaria
  • Zoantharia
  • holothoriodia

Questão 20

Questão
bioluminescence produce luciferin de novi, reacts with oxygen to produce light
Responda
  • True
  • False

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
  • sea fans
  • modularly
  • internal
  • pinnate
  • 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
  • sea anemones
  • solitary
  • external
  • six.

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