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1 | |
There is strong embryological evidence that the Mollusca share a common ancestor with the polychaete annelids, even though the Mollusca are not really (or obviously) metameric. |
|
| | A) | True |
| | B) | False |
|
2 | |
Polychaete annelids differ from other annelids in that polychaetes have... |
|
| | A) | An indistinct head |
| | B) | Parapodia |
| | C) | A clitellum |
| | D) | All of the above are correct |
| | E) | None of the above is correct |
|
3 | |
The larva form of a polychaete annelid is called a(n)... |
|
| | A) | Pygidium |
| | B) | Pilidium |
| | C) | Trochophore |
| | D) | Nauplius |
| | E) | None of the above is correct |
|
4 | |
The Oligochaeta... |
|
| | A) | Are primarily marine dwellers |
| | B) | Have a prominent head |
| | C) | Are not hermaphroditic |
| | D) | Have a trochophore larva |
| | E) | None of the above is correct |
|
5 | |
The typhlosole in the earthworm... |
|
| | A) | Is an organ of locomotion |
| | B) | Is the area of the gut that increases the surface area for the absorption of food |
| | C) | Grinds the food |
| | D) | Produces secretions during mating |
| | E) | None of the above is correct |
|
6 | |
Gas exchange in the earthworm occurs through the... |
|
| | A) | Gills |
| | B) | Nephridia |
| | C) | Skin |
| | D) | Setae |
| | E) | None of the above is correct |
|
7 | |
The cocoon in the earthworm is produced by the... |
|
| | A) | Clitellum |
| | B) | Prostomium |
| | C) | Calciferous glands |
| | D) | Seminiferous tubules |
| | E) | None of the above is correct |
|
8 | |
Some characteristics typical of leeches would include which of the following? |
|
| | A) | Anterior and posterior suckers, clitellum, no setae |
| | B) | Setae, clitellum, and separate sexes |
| | C) | Parapodia, no setae, hermaphroditism |
| | D) | Anterior and posterior suckers, separate sexes, and setae |
| | E) | None of the above is correct |
|
9 | |
Leeches are members of the class... |
|
| | A) | Errantia |
| | B) | Oligochaeta |
| | C) | Hirudinea |
| | D) | Polychaeta |
| | E) | None of the above is correct |
|
10 | |
Metamerism may have arisen independently in both the annelid and deuterostome lineages. |
|
| | A) | True |
| | B) | False |
|
11 | |
Annelids belong to the lophotrochozoan protostome branch of the animal kingdom. |
|
| | A) | True |
| | B) | False |
|
12 | |
Spiral cleavage and mosaic (determinate) development are hallmarks of which of the following groups? |
|
| | A) | Ciliophora and arthropods |
| | B) | Arthropods and cnidarians |
| | C) | Cnidarians and arthropods |
| | D) | Molluscs and arthropods |
| | E) | None of the above is correct |
|
13 | |
Which of the following is NOT present in the Annelida? |
|
| | A) | Cerebral ganglia |
| | B) | Closed circulatory system |
| | C) | Well-developed nephridia |
| | D) | A true pseudocoelom |
| | E) | All of the above are correct |
|
14 | |
The Annelida have bodies divided into similar rings called... |
|
| | A) | Lophophores |
| | B) | Trochophores |
| | C) | Segments |
| | D) | Prostomia |
| | E) | Annual rings |
|
15 | |
Which of the following is NOT correct? |
|
| | A) | The annelid body typically has an anterior prostomium |
| | B) | The annelid body typically has a posterior Pygidium bearing the anus |
| | C) | The oldest segments are at the anterior end and the youngest segments at the posterior end |
| | D) | Most annelids have a coelom developing embryonically as a Schizocoel |
| | E) | Most annelids have an internal supporting structure, the endoskeleton |
|
16 | |
Separation of the hydrostatic skeleton into a metameric series of coelomic cavities increases its efficiency greatly because the force of local muscle contraction within a segment is transferred throughout the entire animal. |
|
| | A) | True |
| | B) | False |
|
17 | |
Errant polychaetes are mostly predators and scavengers whereas sedentary polychaetes feed on suspended particles or are deposit feeders. |
|
| | A) | True |
| | B) | False |
|
18 | |
Many polychaetes have respiratory pigments such as... |
|
| | A) | Hemoglobin |
| | B) | Chlorocruorin |
| | C) | Hemerythrin |
| | D) | All of the above are correct |
| | E) | None of the above is correct |
|
19 | |
Some polychaetes live most of the year as sexually immature animals called akinetes. An example of this is the palolo worm, which lives in burrows among coral reefs. |
|
| | A) | True |
| | B) | False |
|
20 | |
Swarming by the palolo worm may be adaptive because of the synchronous maturation of all the epitokes ensures the maximum number of fertilized eggs. |
|
| | A) | True |
| | B) | False |
|
21 | |
Which of the following pairs is incorrect? |
|
| | A) | Notopodium-dorsal part of parapodium |
| | B) | Neuropodium-ventral part of parapodium |
| | C) | Nereis-clam worm |
| | D) | Fanworms-tubeworms |
| | E) | Earthworms-hirudineans |
|
22 | |
Charles Darwin showed how earthworms enrich soil by bringing subsoil to the surface and mixing it with the topsoil. Their activities are important in the aeration of the soil. |
|
| | A) | True |
| | B) | False |
|
23 | |
Which of the following is incorrect? |
|
| | A) | Calciferous glands-secrete calcium ions into the gut |
| | B) | Crop-thin-walled temporary storage area |
| | C) | Gizzard-grinds food into small pieces |
| | D) | Typhlosole-guides food into the rectum |
| | E) | Chloragogen tissue-yellowish tissue serving as a center for the synthesis of glycogen and fat |
|
24 | |
Annelids have a double transport system: coelomic fluid and circulatory system. |
|
| | A) | True |
| | B) | False |
|
25 | |
Each somite of the earthworm except the first three and the last one bears a pair of ... |
|
| | A) | Protonephridia |
| | B) | Mesonephridia |
| | C) | Metanephridia |
| | D) | Malpighian tubule |
| | E) | None of the above is correct |
|
26 | |
For rapid escape movements most annelids have one to several very large axons commonly called... |
|
| | A) | Neurosecretory axons |
| | B) | Cerebral axons |
| | C) | Ventral axons |
| | D) | Typhlosolic axons |
| | E) | None of the above is correct |
|
27 | |
When mating, earthworms extend their anterior ends from their burrows and bring their ventral surfaces together. They are held together by mucus secreted by their... |
|
| | A) | Clitellum |
| | B) | Sperm funnels |
| | C) | Cocoon |
| | D) | Seminal vesicles |
| | E) | None of the above is correct |
|
28 | |
Tubifex is an alternate host necessary in the life cycle of Myxobolus cerebralis, a parasite that causes a very serious condition in rainbow trout called whirling disease in North America. |
|
| | A) | True |
| | B) | False |
|
29 | |
True bloodsucking leeches include the so-called medicinal leech Hirudo medicinalis. Because they do not permanently attach to their host they are more like small predators than parasites. |
|
| | A) | True |
| | B) | False |
|
30 | |
Regardless of its relationship to other phyla, Annelida remains a well-accepted paraphyletic group. |
|
| | A) | True |
| | B) | False |