Biology › Section M · The animal body and digestion › Topic M.1
Animal form and function
Every animal body is a compromise worked out with physics: symmetry sets the blueprint, diffusion and gravity set the size limits, and energy budgets set the pace of life.
In this topic
- Anatomy, physiology, and body plans
- Symmetry and direction
- Fusiform bodies, drag, and gravity
- Exoskeletons versus endoskeletons
- Worked example: why cells stay small
- Bioenergetics: endotherms and ectotherms
- Metabolic rate and body size
- Activity, torpor, and survival budgets
- Body planes and cavities
- Worked example: reading a scan of a torso
- Common mistakes to avoid
- Key takeaways
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