Term
| Who are the descendants of Protista? Who are the ancestors of Protista? |
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Definition
Multi-cellular groups (Plantae, Animalia, Fungi). Moneran ancestors. |
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Term
Which body form of Cnidarians is more likely to be the sexual form? The asexual form? |
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Definition
Medusa--sexual Polyp--asexual |
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Term
| Name the three ways protozoans move? |
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Definition
| Cilia, Flagella, Pseudopodia. |
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Term
What are the three banches of the Kingdom Animalia? |
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Definition
| Mesozoa, Parazoa (includes P. Porifera), Eumetazoa (all other animal Phyla). |
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Term
| What are pinacocytes? What phylum are they located on? |
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Definition
Flat cells-cover the inner and outer surface. Phylum Porifera |
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Term
What are choanocytes and what is their purpose? |
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Definition
| Collar cells-flagellated and line the incurrent pores. To move water for filter-feeding. |
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Term
Distinguish the three kinds of canal systems in sponges. |
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Definition
Asconoid--spongocoel present, choanocytes restricted to spongocoel Syncoid--spongocoel present, choanocytes occupy spongocoel and radial canals Leuconoid--spongocoel absent, choanocytes found throughout |
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Term
| What level of organization are sponges? |
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Definition
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Term
| It is the prensence of what that unites all sponges? |
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Definition
| Spicules--minerals secreted by specialized sponge cells, serve as stiffening material and hold together the shape of the sponge. |
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Term
| How do adult sessile sponges feed? |
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Definition
| Move water through canals between their cells and remove suspended food particles by endocytosis. |
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Term
Why do you think the larger a sponge is, the more pores it has? |
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Definition
| Because the larger it is the more food it needs. |
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Term
Of the two body plans found in Phylum Cnidaria, which one is sessile, which one is mobile? |
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Definition
Polyp--sessile Medusa--mobile |
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Term
| Why does it meake sense that the medusa body form is sexual? |
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Definition
| Because it is mobile, which allows it to move around to find a mate. |
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Term
What is the significance of the septa in Phylum Cnidaria? |
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Definition
| Helps keep structure with the least amount of material. |
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Term
[image] What is the kingdom and name of this organism? |
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Definition
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Term
[image] What is the phylum and body form? |
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Definition
Phylum Cnidaria Polyp Body Form |
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Term
[image] Name phylum and type |
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Definition
Phylum Cnidaria Budding Hydra |
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Term
[image] What are the purple dots? |
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Definition
| Choanocytes in Phylum Porifera |
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Term
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Definition
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Term
[image] What is the kingdom and name? |
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Definition
Kingdom Protista Paramecium |
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Term
| What are the three classes of Phylum Platyhelminthes? |
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Definition
Class Turbellaria-flatworms (Planaria) Class Trematoda-flukes Class Cestoda-tapeworms |
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Term
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Definition
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Term
Why is the gastrovascular cavity so highly branched in Planaria? |
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Definition
| Planaria lacks a circulatory system. It has the branched gastrovascular cavity so that every cell is a few cells away from the gastrovascular cavity. Thus, nutrients get passed to all cells. |
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Term
| What is the advantage of a two-host system in parasites? |
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Definition
| They don't have to compete with each other. |
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Term
| What is meant by a pseudocoelom? |
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Definition
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Term
| What is the outer covering of pseudocoelomates? |
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Definition
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Term
[image] What is the phylum? Is this a pseudocoelomate or acoelomate |
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Definition
Phylum Nematoda Pseudocoelomate |
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Term
[image] Which is the female and the male? What is the name of this organism and the phylum? |
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Definition
Female--longer, male--shorter. Ascaris in the Phylum Nematoda |
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Term
[image] Is this the immature, mature, or gravid proglottid? What class is this organism? |
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Definition
Gravid Class Cestoda (Phylum Platyhelminthes) |
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Term
[image] What is the phylum and class? |
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Definition
Phylum Platyhelminthes Class Cestoda Scolex |
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Term
[image] Is this immature, mature, or gravid proglottid? |
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Definition
Mature proglottid Phylum Platyhelminthes Class Cestoda |
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Term
[image] What is this? Phylum? Class? |
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Definition
Tapeworm Phylum Platyhelminthes, Class Cestoda |
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Term
[image] Is this immature, mature, or gravid proglottid? |
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Definition
Immature proglottid Phlyum Platyhelminthes, Class Cestoda |
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Term
[image] Identify gastrovascular cavity, dorsoventral muscles, nevre chord, pharynx, epithelium. |
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Definition
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Term
[image] Is this an acoelomate or psuedocoelomate? What is the phylum and class? |
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Definition
Acoelomate Phylum Platyhelminthes, Class Turbellaria |
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Term
[image] What is the phylum and class? |
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Definition
Phylum Platyhelminthes Class Trematoda (Human Blood Fluke) |
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Term
[image] What is the phylum and class? Know corona, mastax, trunk, foot |
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Definition
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Term
| What purpose besides feeding does the corona serve in Rotifers? |
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Definition
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Term
| What type of nervous system do phylas nematoda, cnidaria, and platyhelminthes exhibit? |
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Definition
Nematoda--dorsal and ventral nerve chords Platyhelminthes--ventral nerve chord Cnidaria--simple nerve net |
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Term
Are planaria monoecious or dioecious? |
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Definition
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Term
| What type of coelom do phyla nematoda, platyhelminthes, and cnidaria have? |
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Definition
Nematoda--pseudocoelomate Platyhelminthes--acoelomate cnidaria--none |
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Term
| Does Phylum Cnidaria exhibit cephalization? |
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Definition
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Term
| What are the function of rhabdites in Planaria? |
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Definition
| Secrete mucous for easier locomotion |
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