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| 1 | Define coelomate. |
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| 2 | Phylum Mollusca and Phylum Annelida are protostomes. |
| A) | True |
| B) | False |
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| 3 | List the four classes of Phylum Mollusca and give an example of each. |
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| 4 | Mollusks have a basic body plan that includes: a ________ of organ system and sensory structures; a ventral, muscular ________ used for locomotion; a calcium based ________ that supports and protects the body); and a ________ that covers the visceral mass and secrets the shell. |
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| 5 | Most mollusks possess a rasping organ that scrapes food from rocks called a ________. |
| A) | prostomium |
| B) | umbo |
| C) | mantle |
| D) | radula |
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| 6 | Mollusks have ________ circulatory system, meaning that blood pools in sinuses and bather the organs directly. |
| A) | no |
| B) | an open |
| C) | a closed |
| D) | a simple |
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| 7 | Which class of mollusks has differentiated heads? |
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| 8 | How do bivalves feed? |
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| 9 | How do cephalopods feed? |
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| 10 | List the three classes of Phylum Annelida and give an example of each. |
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| 11 | Annelids have ________, small bristle-like appendages on their lateral and ventral surfaces. |
| A) | parapodia |
| B) | setae |
| C) | septa |
| D) | palps |
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| 12 | Earthworms move by alternately contracting __________ and ___________ muscles against hydrostatic pressure in each segment. |
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| 13 | Phylum Annelida is ________________, meaning their bodies are divided into repetitive segments and each segment contains parts of the circulatory, digestive, nervous, and excretory systems. |
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| 14 | Class Polychaeta has fleshy appendages that aid in respiration and locomotion called ________. |
| A) | parapodia |
| B) | setae |
| C) | septa |
| D) | palps |
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| 15 | In the Class Oligochaeta, copulating worms attach at their ________, meaning a series of swollen segments at the anterior third of the body. |
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| 16 | In Annelids, ________ are folds of tissue that increases surface area for absorption in intestine, and ________ collect and release excretory waste. |
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| 17 | Earthworms have a dorsal nerve cord and a ventral blood vessel. |
| A) | True |
| B) | False |
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| 18 | Class Hirudinea produces a ___________ or sperm packed which is injected during copulation. |
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| 19 | Which Phyla are deuterostomes and which are protostomes?
a. Echinodermata
b. Chordata
c. Mollusca
d. Arthropoda
e. Annelida
f. Hemichordata |
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