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marine biology
Chapter 4 test
| Question | Answer |
|---|---|
| Example of something with radial symmetry | Choral |
| Example of something with bilateral symmetry | flatworms, tape worms |
| What are the two forms of support in a sponge? | Spongin and Spicule |
| Spongin | soft and flexible |
| Spicule | hard; like a skeleton; found in really big sponges |
| Polyps are stationary; how does it spread itself to other parts of the ocean? | Planktonic larvae so its able to just float along with the currents |
| Features common to nidarians in polyp and medusa stages | 1. Have an oral and aboral side, 2. Have a central mouth, 3. Have a mouth surrounded by tentacles, 4. Have a nematocyst that stings you, 5. Gut with a single opening not a complete gut |
| What part of a choral reef is actually living? | just the outside |
| If something has a brain is it radial symmetry or bilateral symmetry? | Bilateral because they have advanced bodies |
| A tapeworm doesn't have what? | a gut |
| example of a parasite | tapeworm, roundworm, flukes |
| Know the characteristics of animals in phylum analida | 1. long thin body, 2. definite head, 3. fluid filled coelom |
| what is a lophophore? | have round mouths with tentacles |
| What is a collar cell? | Help sponges move and trap the food. They have flagella |
| What do ameobocites do? | 1. Transport and digest food, 2. gets rid of waste, 3. Produces gametes, 4. Repairs damaged portions of the sponge |
| Two body forms of a cnidarian? | Medusa and Polyp |
| Medusa | jellyfish moves around |
| polyp | stationary |
| How many openings does a true gut have? | 2 anterior and posterior |
| How does a polyp reproduce? | Asexually through budding |
| Is a jellyfish considered a plankton? | Yes because it sometimes floats with the currents of the water |
| What builds up a choral reef over time? | As time goes on the dead parts build up and make it bigger |
| Tapeworms live in the intestine of a host, but what do they absorb from them? | nutrients |
| What comes from uncooked fish and make us sick | Round worms |
| What filter water and make oxygen? | Gills |
| What is a suspension feeder? | Filter feeder |
| What is the difference between a clam and a lampshell? | clam - shell is on the left and right side; lampshell - dorsal; has lophophores |
| 3 different classes under phylum cnidarian | Hydrozoa, Scyphozoan, Anthozoa |
| Hydrozoa | polyps or medusa, portuguese mana war |
| Scyphozoan | Medusa form, larger jellyfish |
| Anthozoa | Coral and sea antinomies |
Created by:
a.allsup
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