Term
| What are the two Phyla of Radiate animals? |
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Definition
Phylum Cnidaria
Phylum Ctenophora |
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Term
| Are Radiate animals Diploblastic or Triploblastic? |
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Definition
| Diploblastic- includes gastrulation |
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Term
| What kind of symmetry does radiate animals exhibit? |
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Definition
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Term
| Does cephalization occur in Radiate animals? |
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Definition
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Term
| How many species are in phylum Cnidaria? |
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Definition
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Term
| What species are under phylum Cnidaria? |
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Definition
| Hydriods, Sea anemones, jellyfish, and corals |
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Term
| What are cnidocytes and which phylum has them? |
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Definition
stinging cells/ nematocysts
Phylum Cnidaria |
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Term
Are cnidarians fresh water or marine?
sessile or free moving? |
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Definition
mostly marine
mostly sessile |
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Term
| What are the 5 classes of cnidaria? |
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Definition
Hydrozoa
Scyphozoa
Cubozoa
Anthozoa
Staurozoa |
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Term
| What are the two different forms a cnidarian can be? |
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Definition
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Term
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Definition
| Gelatinous layer that lies between body layers in a cnidarian. buoyant and supports the body. |
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Term
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Definition
| Sessile, tubular, and mouth leads to a blind gut |
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Term
| Do polyps reproduce sexually or asexually? |
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Definition
| asexually (budding, fission, or pedal laceration) |
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Term
| Are medusa sessile or free-swimming? |
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Definition
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Term
| What is a velum and what animals have them? |
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Definition
It increases exit velocity of H2O
found in medusae Cnidarians |
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Term
| Do Cnidarians have a sensory stuctures? |
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Definition
| yes, Medusae have a nerve ring at the base of the bell |
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Term
| Describe the life cycle of Cnidarians |
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Definition
| Zygote -> Motile plantula larva -> sessile polyp -> free-swimming medusa (produced asexually) -> medusa reproduce sexually to produce a zygote---->repeat |
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Term
| Are medusa monoecious or dioecious? |
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Definition
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Term
| What are the functions of the body layers in Cnidarians? |
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Definition
Inner layer- functions in digestion
Outer layer- may contain cnidocytes with nematocysts. |
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Term
| Where do Polyps get their food? |
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Definition
| Carnivorous, catch prey with tentacles and pass into gastrovascular cavity. |
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Term
| Where do medusae get their food? |
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Definition
| Carnivorous, capture prey with tentacles and pass into mouth. |
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Term
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Definition
| diffuse nervous system, not a central nervous system. |
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Term
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Definition
| What is the non-living Chitinous covering found on a hydroid? |
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Term
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Definition
| forms a protective cup around polyps |
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Term
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Definition
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Term
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Definition
mostly marine and colonial
both polyp and medusa forms |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
no medusa stage
solitary polyps
sexual and asexual reproduction
found worldwide |
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Term
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Definition
portuguese man-o-war
acts as one individual |
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Term
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Definition
most of the large Jellyfish
float in open sea
dioecious |
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Term
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Definition
| zygote -> ciliated plantula larve -> plantula attaches and develops into a polyp -> polyp buds break off and become medusa jellyfish. |
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Term
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Definition
no medusa stage
attaches to seaweed
reproduce sexually |
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Term
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Definition
box jellyfish and sea wasps
umbrella is square
medusa form is dominant |
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Term
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Definition
All marine
no medusa stage |
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Term
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Definition
(Class Anthozoa)
Sea anemones
costal areas worldwide
attach to rocks
sexual and asexual reproduction |
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Term
| subclass ceriantipatharia |
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Definition
(Anthozoa)
Tube anemones and thorny corals |
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Term
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Definition
| incircle a lagoon but not an island |
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Term
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Definition
| parellel to shore with a wide deep lagoon |
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Term
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Definition
| near the land with no lagoon |
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Term
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Definition
(Class Anthozoa)
soft and horny corals
octomerous (8) body plan |
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Term
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Definition
150 species
All marine
free swimming
biradial symmetry |
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Term
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Definition
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