Using forceps or tweezers, gently pull the 4th or 5th pereiopod to examine its motion. Do so without tearing the appendage off from the body. How would you describe its maneuverability? What are the limitations to motion of these walking legs? Given their small size and limited capacity for muscle attachment, how is it that this animal can use these appendages for motion? Describe the structural differencer boti

Biology: The Dynamic Science (MindTap Course List)
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Chapter43: Muscles, Bones, And Body Movements
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4. Using forceps or tweezers, gently pull the 4th or 5th pereiopod to examine its motion. Do so
without tearing the appendage off from the body. How would you describe its maneuverability?
What are the limitations to motion of these walking legs? Given their small size and limited
capacity for muscle attachment, how is it that this animal can use these appendages for motion?
5. Describe the structural differences between the pleopods and the pereiopods up the prawn.
What hypothesis can you make regarding the functional use of pleopods by comparison?
Pleopods of prawns are far larger in comparison to body size then crayfish (see drawings below).
What might this tell you about their use between the two closely related animals?
6. Compare the overall body plan of the prawn to that of an insect like a grasshopper (see drawings
below). Provide a complete side-by-side analysis of the two groups that would include body
regions, and appendages. Focus your comparison on how the two groups have adapted uniquely
to their environment.
Transcribed Image Text:Page < 3 of 7 4. Using forceps or tweezers, gently pull the 4th or 5th pereiopod to examine its motion. Do so without tearing the appendage off from the body. How would you describe its maneuverability? What are the limitations to motion of these walking legs? Given their small size and limited capacity for muscle attachment, how is it that this animal can use these appendages for motion? 5. Describe the structural differences between the pleopods and the pereiopods up the prawn. What hypothesis can you make regarding the functional use of pleopods by comparison? Pleopods of prawns are far larger in comparison to body size then crayfish (see drawings below). What might this tell you about their use between the two closely related animals? 6. Compare the overall body plan of the prawn to that of an insect like a grasshopper (see drawings below). Provide a complete side-by-side analysis of the two groups that would include body regions, and appendages. Focus your comparison on how the two groups have adapted uniquely to their environment.
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