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 drawines

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 drawines

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter29: Vertebrates

Section: Chapter Questions

Problem 8RQ: Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton...

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3. The chelipeds of prawns are quite diminished in size when compared to crayfish and lobster. Hypothesize why you think these differences exist? Find some support for your hypothesis from the Internet or other scientific resource. 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…
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?
8. What is the difference between an open and a closed circulatory system? 9. What is a radula? What is it used for? 10. Define regeneration. 11. Identify distinguishing traits of most arthropods. 12. What is molting? Why does it occur? 13. Name three arthropod head appendages and state their functions. 14. Describe two structures that allow arthropods to breathe air.
1. What is the function of the gill rakers?2. Explain how gas exchange occurs at the gills.3. What is the function of the lateral line?4. Describe how the scales are arranged on the trunk & tail of a tilapia.5. Explain how the swim bladder controls buoyancy.
Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glands
5. Describe four different uses for thoracic appendages seen in different crustaceans. Use specific examples (name the corresponding taxonomic group). Relate the morphology of the appendage to its function.
1. Discuss how starfish have radial symmetry but yet contain ganglia is due to their ancestors? 2. What are the classification of starfishes ? 3. How are they related to bilateral animal? Note: Answer question 1,2,3. Thanks
1. What for you is the most important adaptation of arthropods that allowed them to flourish in the terrestrial environment? 2. How are tardigrades able to survive in harsh conditions?
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…
Crayfish, unlike earthworms, do not have a hydrostatic skeleton. Instead, crayfish have a rigid exoskeleton. Give 2 advantages to the having the exoskeleton and 2 disadvantages.
4. Describe how the scales are arranged on the trunk & tail of a tilapia.5. Explain how the swim bladder controls buoyancy.
2. Crustaceans, like annelids, are segmented animals. But crustaceans unlike annelids have tagmata. What are some advantages and disadvantages to this type of segmentation in comparison to annelids? Give an example in your answer for both an advantage and a disadvantage. 3. The chelipeds of prawns are quite diminished in size when compared to crayfish and lobster. Hypothesize why you think these differences exist? Find some support for your hypothesis from the Internet or other scientific resource. 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…