Term
| Parazoa is what kind of taxonomic category? |
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Definition
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Term
| Does parazoa have true tissues? |
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Definition
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Term
| What kind of symmetry does parazoa have? |
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Definition
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Term
| Porifera is what kind of taxonomic category? |
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Definition
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Term
| In what sub-kingdom for porifera belong? |
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Definition
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Term
| Porifera are known as the "evolutionary _____________." |
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Definition
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Term
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Definition
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Term
| How do organisms of phylum porifera move? |
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Definition
| Trick question -- they are sessile. |
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Term
| How may porifera be characterized by their habitat? |
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Definition
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Term
| What kind of water does porifera live in? |
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Definition
| Both freshwater and saltwater. |
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Term
| True or false: porifera have all the different kinds of tissue. |
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Definition
| False: they lack nerve and muscle tissue. |
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Term
| The lack of nerve and muscle tissue in porifera implies what? |
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Definition
| That they must have a different way of interacting with the environment. |
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Term
| How does porifera react with the environment? |
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Definition
| Closing pores and osculum |
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Term
| What are the organisms that make of phylum porifera commonly known as? |
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Definition
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Term
| How are porifera known by how they get their food? |
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Definition
| Suspension of filter feeders |
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Term
| What important structures do filter feeders contain? |
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Definition
| Choanocytes and Ameobocytes |
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Term
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Definition
| Cells that help move water with their flagella. |
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Term
| What are the bodies of porifera like? |
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Definition
| Two layers separated by gelatinous region. |
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Term
| The functions of Ameobocytes are... |
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Definition
- Collect food, secrete gelatinous matrix and collect waste.
- Produce spicules |
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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
| What are the structures involved in the sexual production of porifera? |
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Definition
| Ameobocytes and Choanocytes |
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Term
| What happens initially in the sexual production of porifera? |
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Definition
| Ameobocytes and Choanocytes differentiate into sperm and egg. |
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Term
| What is produced as a result of the sexual production of porifera? |
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Definition
| Flagellated larvae disperse from parent. |
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Term
| What do flagellated larvae of porifera grow into? |
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Definition
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Term
| How may porifera be characterized by their sexual organs? |
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Definition
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Term
| Eumetazoa is what kind of taxonomic category? |
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Definition
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Term
| Does subkingdom eumetazoa have true tissues? |
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Definition
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Term
| Does subkingdom eumetazoa have body symmetry? |
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Definition
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Term
| What are example of phylum cnidaria? |
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Definition
| Hydra, jellyfish, corals and sea anemones. |
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Term
| What kind of symmetry does phylum cnidaria have? |
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Definition
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Term
| How may cnidaria be characterized in terms of germ layers? |
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Definition
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Term
| How many tissue layers does cnidaria have? |
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Definition
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Term
| What are the two tissue layers of cnidaria? |
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Definition
| Outer epidermis and inner gastrodermis |
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Term
| What is between the two layers of cnidaria? |
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Definition
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Term
| What is the gelatinous layer between the two layers of cnidaria called? |
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Definition
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Term
| What features of phylum cnidaria have to interact with the environment? |
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Definition
| Contractile tissue and nerve net. |
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Term
| What makes the cnidarian nerve net different from other nervous systems? |
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Definition
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Term
| How many primary forms do cnidarians have? |
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Definition
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Term
| What are the primary forms of cnidarians? |
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Definition
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Term
| What are the characteristics of the polyp form of cnidarians? |
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Definition
| Most sessile, cylindrical body, attach to substrate. |
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Term
| What are the characteristics of the medusa form of cnidarians? |
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Definition
| Free moving, jellyfish-like, umbrella shape. |
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Term
| What do cnidarians use for circulation and digestion |
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Definition
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Term
| What does the gastrovascular cavity do? |
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Definition
| Digestion and circulation. |
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Term
| How does the gastrovascular cavity in cnidarians perform circulation? |
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Definition
| Circulates fluids to service cells. |
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Term
| The gastrovascular cavity of cnidarians acts as what? |
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Definition
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Term
| How does the gastrovascular cavity of cnidarians act as a hydrostatic skeleton? |
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Definition
| Its closed volume gives something for the muscles to work against for movement and support. |
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Term
| Does the gastrovascular cavity of cnidarians include nerves and muscles? |
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Definition
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Term
| Hoe many openings does the gastrovascular cavity of cnidaria have? |
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Definition
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Term
| What is the opening of the gastrovascular of the cnidaria? |
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Definition
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Term
| What passes through the mouth of the gastrovascular cavity of the cnidaria? |
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Definition
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Term
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Definition
| Stinging cells for defense/prey. |
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Term
| What do cnidaria have for defense and attacking prey? |
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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
| What are the four classes of cnidarians? |
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Definition
| Hydrozoa, Scyphozoa, Cubozoa and Anthozoa |
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Term
| Which form in dominant in class hydrozoa? |
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Definition
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Term
| Which form is dominant in class scyphozoa? |
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Definition
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Term
| Which form is dominant in class cubozoa? |
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Definition
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Term
| Which class is dominant in class Anthozoa? |
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Definition
| Trick question - there is only the polyp form. |
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Term
| How can cnidaria reproduce? |
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Definition
| Both sexually and asexually. |
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Term
| What is an example of a cnidarian reproducing asexually? |
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Definition
| Colony of Hydrozoans formed by budding. |
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Term
| Which form is the sexually reproducing form of cnidaria? |
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Definition
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Term
| Which form is the asexually reproducing form of cnidaria? |
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Definition
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