Would having two or more hearts be adaptive for vertebrates? Why do you think that invertebrates have evolved multiple hearts but vertebrates have only one?
Would having two or more hearts be adaptive for vertebrates? Why do you think that invertebrates have evolved multiple hearts but vertebrates have only one?
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:**Discussion Topic: Adaptive Strategies in Vertebrates and Invertebrates**
**Question:** Would having two or more hearts be adaptive for vertebrates? Why do you think that invertebrates have evolved multiple hearts but vertebrates have only one?
**Exploration:**
This topic invites a thoughtful exploration into the evolutionary adaptations of different species. Consider the following points:
1. **Circulatory Efficiency:** Explore how multiple hearts might influence circulatory efficiency and how it differs across vertebrate and invertebrate species.
2. **Energy Requirements:** Consider the energy demands of maintaining multiple hearts and how this may or may not benefit vertebrates compared to invertebrates.
3. **Evolutionary Pressures:** Discuss the evolutionary pressures that may have led to these differing adaptations, focusing on ecological roles and environments of the species in question.
4. **Complexity and Coordination:** Delve into the complexity of coordinating multiple hearts and how this might be managed differently in organisms.
**Conclusion:** Encourage reflection on how these anatomical differences cater to diverse survival strategies and ecological niches.
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