Module 12 - Quiz PDF

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Module 12- Quiz...

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Module 12 Quiz

Started

4/10/18 1:42 PM

Submitted

4/10/18 1:48 PM

Status

Completed

Attempt Score

90 out of 100 points

Time Elapsed

5 minutes

Results Displayed All Answers, Submitted Answers, Correct Answers

Question 1

10 out o

Your lab group is charged with the identification of an unknown creature. Your lab partners b a small annelid because of its worm-like appearance. You argue it is a nematode. To convin partners, you point out certain distinguishing characteristics. Which of those characteristics l proves that you were incorrect?

Selected Answer: Answers:

longitudinal and circular muscles Cuticle longitudinal and circular muscles pseudocoelom that functions as both circulatory system and hyd skeleton internal fertilization

Question 2

10 out o

closed circulatory systems jointed appendages segments specialized into functional tagmata

Question 3

10 out o

Sand dollars, sea shells, and corals are often found together at beachside shops. Wh have in common? Selected Answer:

All are remains of marine animals

Answers:

All are remains of marine animals all are examples of endoskeletons all of the living animals that produced these are closely related all of the animals were radially symmetrical none of the above

Question 4

10 out o

How are bird wings and arthropod wings different? Selected Answer: Answers:

all of the above are correct insect wings are outgrowths of the body wall bird wings are modified forelimbs insects have wings in addition to limbs some insects have 4 wings instead of 2 all of the above are correct

Question 5

0 out o

Adult echinoderms display __________ symmetry; however, their larvae display _________ symmetry.

Selected Answer:

pentaradial; biradial

Question 6

10 out o

Chordates possess several distinguishing characteristics that separate them from other anim Which of the features below is NOT found in all members of this phylum?

Selected Answer: Answers:

vertebral column postanal tail vertebral column pharyngeal slits notochord dorsal hollow nerve cord

Question 7

10 out o

Your lab group is presented with an unknown mollusk. Your task is to assign it to one of the taxonomic classes. Which characteristic would allow you to say definitively that it belongs to Cephalopoda?

Selected Answer: Answers:

closed circulatory system mantle gills nephridia closed circulatory system

Question 8

10 out o

Which of these is NOT an advantage to the segmentation that is exemplified in the Phylum A

Selected Answer: Answers:

multiple brains in each segment increases behavioral comple vital structures are repeated in each segment the annelid may still survive if one segment is damaged segments can be specialized multiple brains in each segment increases behavioral comple

have two body segments joined by a pedicel Answers:

lack an exoskeleton have a calcium-carbonate layer outside the exoskeleton are segmented have two body segments joined by a pedicel

Question 10

10 out o

Each arm of the starfish differs internally, one being specialized for reproduction, another for third for digestion, a fourth for the water vascular system, and the fifth for the nervous and ci systems.

Selected Answer: Answers:

False True False

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