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19 Cards in this Set
- Front
- Back
Phylum: Class: Genus: What type of spicules |
Porifera, Calcera, Grantia Arrow: archaeocyte Calcium |
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Phylum, class, genus: Spicule type? What are the large holes called? The small ones? What is its larva called |
Porifera, Demospongia, Halichondria Collagen and silica Oscula and ostia Parenchymula |
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Label diagram |
Myocyte is also porocyte |
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What class are fresh water sponges in? What is the resting stage called? What is it made up of? What are the symbiotic algae cells called? |
Demospongiae Gemmules; they are spicules and archaeocytes encased in spongin Zoochlorellae |
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Class, genus and species: Common name: Spicule type: Why is this species of sponge relevant to Vancouver Island |
Hexactinellida, Aphrocallistes vastus
Cloud sponge Silica; 6 pointed stars, forks etc. It forms glass sponge reefs |
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What genus of sponge is on this crab? What type of symbiosis is this |
Halichondria, crab is Oregonia Mutualism |
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Class, family genus and species What does it do to shells? |
Class demosponginae, family Clionidae, Cliona celata It bioerodes them |
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Phylum, Class, genus |
Phylum Cnidaria, Class hydrozoa, Genus Hydra |
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Class, Genus Which polyp is the gonozoid and gastrozoid Lifecycle? |
Class Hydrozoa, Genus obelia The long cone shaped one is the gonozoid |
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Class, genus What is this animal made out of? |
Class Hydrozoa, genus Physalia Its a hydrozoan colony exhibiting lots of polymorphism, the "units" are called zooids |
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The three classes of hydrozoa are separated by which body form (polyp vs medusa) is dominant. How does this apply to hydrozoans? Of the hydozoans we looked at which were colonial? |
The hydrozoan life cycle has both polyp and medusa stages. Obelia, Physalia and Pennaria |
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Give the Aurelia life cycle and class Which stage is dominant? Are there freshwater examples? |
Class Scyphozoa The floating sexually reproducing medusa. No. |
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What is this? What structure gave rise to it? Label it. |
Its an ephyra, the stobila gave rise to it |
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Class and subclass Label Siphonoglyph and mesentary (aka septum) |
Class Anthozoa, Subclass Zoantharia |
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Genus and species What type of symbiotic interaction occurs in the tentacles? Why are they sticky? How do they fight other ind.? What are the filaments by the base |
Anthopleura elegantissima Mutualism with dinoflagellates called zooxanthellae (yellow-brown in colour) and zoochlorellae (green) They have spirocysts and nematocysts that fire They fight using acrorhagi; white stubby bulges under their tentacles Acontia, they are also used for defense as well |
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Subclass, genus and species What is this called? |
Subclass Zoantharia, Class Anthozoa, Balanophyllia elegans A cup coral, stony coral |
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Common name Class, subclass, genus and species Is this a colony? |
Red sea pen Class Anthozoa, Subclass Alyconaria, Ptilosarcus gurneyi yes |
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Common name Class, subclass, genus What are the pink projections |
Gorgonian or soft coral Class Anthozoa, Subclass Alyconaria, Alcyonium |
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Phylum, genus How does it move? How is it different from a Cniderian? How does it capture food? |
Phylum Ctenophora, Pleurobrachia It uses ctenes or comb rows made of fused cilia to move. It doesn't have Cnidocytes They have two long tentacles with colloblasts; structures that produce a sticky substance when discharged |
