Why do penguins, seals, and tuna havesimilar body forms that permit rapid swimming? all share a common ancestor at some point in the past. all of their bodies have been compressed since birth by intensive underwater pressures. flying, pregnancy, and gill-breathing all require similar adaptations in form. the shape is a convergent evolutionary adaptation that reduces drag while swimming. this is the only shape that will allow them to maintain a constant body temperature in water.
Why do penguins, seals, and tuna havesimilar body forms that permit rapid swimming? all share a common ancestor at some point in the past. all of their bodies have been compressed since birth by intensive underwater pressures. flying, pregnancy, and gill-breathing all require similar adaptations in form. the shape is a convergent evolutionary adaptation that reduces drag while swimming. this is the only shape that will allow them to maintain a constant body temperature in water.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:**Question:**
Why do penguins, seals, and tuna have similar body forms that permit rapid swimming?
**Options:**
- All share a common ancestor at some point in the past.
- All of their bodies have been compressed since birth by intensive underwater pressures.
- Flying, pregnancy, and gill-breathing all require similar adaptations in form.
- The shape is a convergent evolutionary adaptation that reduces drag while swimming.
- This is the only shape that will allow them to maintain a constant body temperature in water.
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