Table of contents
- 1. Introduction to Biology2h 42m
- 2. Chemistry3h 40m
- 3. Water1h 26m
- 4. Biomolecules2h 23m
- 5. Cell Components2h 26m
- 6. The Membrane2h 31m
- 7. Energy and Metabolism2h 0m
- 8. Respiration2h 40m
- 9. Photosynthesis2h 49m
- 10. Cell Signaling59m
- 11. Cell Division2h 47m
- 12. Meiosis2h 0m
- 13. Mendelian Genetics4h 44m
- Introduction to Mendel's Experiments7m
- Genotype vs. Phenotype17m
- Punnett Squares13m
- Mendel's Experiments26m
- Mendel's Laws18m
- Monohybrid Crosses19m
- Test Crosses14m
- Dihybrid Crosses20m
- Punnett Square Probability26m
- Incomplete Dominance vs. Codominance20m
- Epistasis7m
- Non-Mendelian Genetics12m
- Pedigrees6m
- Autosomal Inheritance21m
- Sex-Linked Inheritance43m
- X-Inactivation9m
- 14. DNA Synthesis2h 27m
- 15. Gene Expression3h 20m
- 16. Regulation of Expression3h 31m
- Introduction to Regulation of Gene Expression13m
- Prokaryotic Gene Regulation via Operons27m
- The Lac Operon21m
- Glucose's Impact on Lac Operon25m
- The Trp Operon20m
- Review of the Lac Operon & Trp Operon11m
- Introduction to Eukaryotic Gene Regulation9m
- Eukaryotic Chromatin Modifications16m
- Eukaryotic Transcriptional Control22m
- Eukaryotic Post-Transcriptional Regulation28m
- Eukaryotic Post-Translational Regulation13m
- 17. Viruses37m
- 18. Biotechnology2h 58m
- 19. Genomics17m
- 20. Development1h 5m
- 21. Evolution3h 1m
- 22. Evolution of Populations3h 52m
- 23. Speciation1h 37m
- 24. History of Life on Earth2h 6m
- 25. Phylogeny2h 31m
- 26. Prokaryotes4h 59m
- 27. Protists1h 12m
- 28. Plants1h 22m
- 29. Fungi36m
- 30. Overview of Animals34m
- 31. Invertebrates1h 2m
- 32. Vertebrates50m
- 33. Plant Anatomy1h 3m
- 34. Vascular Plant Transport1h 2m
- 35. Soil37m
- 36. Plant Reproduction47m
- 37. Plant Sensation and Response1h 9m
- 38. Animal Form and Function1h 19m
- 39. Digestive System1h 10m
- 40. Circulatory System1h 57m
- 41. Immune System1h 12m
- 42. Osmoregulation and Excretion50m
- 43. Endocrine System1h 4m
- 44. Animal Reproduction1h 2m
- 45. Nervous System1h 55m
- 46. Sensory Systems46m
- 47. Muscle Systems23m
- 48. Ecology3h 11m
- Introduction to Ecology20m
- Biogeography14m
- Earth's Climate Patterns50m
- Introduction to Terrestrial Biomes10m
- Terrestrial Biomes: Near Equator13m
- Terrestrial Biomes: Temperate Regions10m
- Terrestrial Biomes: Northern Regions15m
- Introduction to Aquatic Biomes27m
- Freshwater Aquatic Biomes14m
- Marine Aquatic Biomes13m
- 49. Animal Behavior28m
- 50. Population Ecology3h 41m
- Introduction to Population Ecology28m
- Population Sampling Methods23m
- Life History12m
- Population Demography17m
- Factors Limiting Population Growth14m
- Introduction to Population Growth Models22m
- Linear Population Growth6m
- Exponential Population Growth29m
- Logistic Population Growth32m
- r/K Selection10m
- The Human Population22m
- 51. Community Ecology2h 46m
- Introduction to Community Ecology2m
- Introduction to Community Interactions9m
- Community Interactions: Competition (-/-)38m
- Community Interactions: Exploitation (+/-)23m
- Community Interactions: Mutualism (+/+) & Commensalism (+/0)9m
- Community Structure35m
- Community Dynamics26m
- Geographic Impact on Communities21m
- 52. Ecosystems2h 36m
- 53. Conservation Biology24m
38. Animal Form and Function
Metabolism and Homeostasis
Problem 2`
Textbook Question
Which of these examples best describes the concept that form facilitates function?
a. Crickets must balance their resources between spermatophore production and immune defenses.
b. A desert jackrabbit has large ears that help eliminate excess heat.
c. An Antarctic fish maintains homeostasis by conforming to the stable, external temperature.
d. Honeybees will swarm around a predatory wasp and contract their flight muscles to generate a lethal ball of heat.

1
Understand the concept of 'form facilitates function': This principle suggests that the shape or structure of an organism or its parts is directly related to its purpose or role. In biology, this often means that anatomical features are adapted to perform specific functions effectively.
Analyze option a: Crickets balancing resources between spermatophore production and immune defenses is more about resource allocation rather than a structural adaptation facilitating a specific function.
Analyze option b: A desert jackrabbit has large ears that help eliminate excess heat. This is a clear example of form facilitating function, as the large ears are structurally adapted to dissipate heat, aiding in thermoregulation.
Analyze option c: An Antarctic fish maintaining homeostasis by conforming to the stable, external temperature is about physiological adaptation rather than structural form facilitating a specific function.
Analyze option d: Honeybees swarming around a predatory wasp and contracting their flight muscles to generate heat is a behavioral adaptation rather than a structural form facilitating a specific function.

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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Form Facilitates Function
The concept that form facilitates function refers to the idea that the shape and structure of an organism or its parts are directly related to their purpose or role. This principle is evident in biological adaptations where anatomical features are optimized for specific functions, such as the large ears of a desert jackrabbit that aid in heat dissipation.
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Adaptation
Adaptation is the process by which organisms evolve features that enhance their survival and reproduction in specific environments. These features can be structural, physiological, or behavioral, and they often illustrate the concept of form facilitating function, as seen in the jackrabbit's ears designed to manage heat in desert climates.
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Homeostasis
Homeostasis is the ability of an organism to maintain stable internal conditions despite external changes. This concept is crucial for understanding how organisms like Antarctic fish survive in extreme environments by conforming to external temperatures, ensuring their internal processes remain balanced and functional.
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