- 1. Introduction to Biology2h 40m
- 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 41m
- Introduction to Mendel's Experiments7m
- Genotype vs. Phenotype17m
- Punnett Squares13m
- Mendel's Experiments26m
- Mendel's Laws18m
- Monohybrid Crosses16m
- 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 Transport2m
- 35. Soil37m
- 36. Plant Reproduction47m
- 37. Plant Sensation and Response1h 9m
- 38. Animal Form and Function1h 19m
- 39. Digestive System10m
- 40. Circulatory System1h 57m
- 41. Immune System1h 12m
- 42. Osmoregulation and Excretion50m
- 43. Endocrine System4m
- 44. Animal Reproduction2m
- 45. Nervous System55m
- 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
50. Population Ecology
Introduction to Population Ecology
Problem 16
Textbook Question
Burmese pythons (Python molurus bivittatus) are constricting snakes that can reach enormous sizes (up to 7 meters in length). They are native to Southeast Asia but were released into southern Florida from the pet trade. Many other snakes occur naturally in this area. Are the introduced pythons a problem? The range of Burmese pythons in Florida is expanding rapidly. List at least one abiotic factor and one biotic factor that might limit the range of pythons.

1
Step 1: Understand the problem. The question is asking for one abiotic (non-living) and one biotic (living) factor that might limit the range of Burmese pythons in Florida.
Step 2: Think about abiotic factors. These could include temperature, humidity, sunlight, soil type, and precipitation. For example, Burmese pythons are cold-blooded and rely on their environment to regulate their body temperature. Therefore, colder temperatures in northern Florida during the winter could limit their range.
Step 3: Consider biotic factors. These could include availability of food, presence of predators, or competition with other species. For instance, if the pythons' preferred prey is not abundant in certain areas, this could limit their range.
Step 4: Formulate your answer. Based on the above considerations, you might say that an abiotic factor limiting the range of Burmese pythons in Florida is the colder winter temperatures in the north of the state, and a biotic factor could be the availability of suitable prey.
Step 5: Reflect on the problem. Understanding how abiotic and biotic factors can limit the range of a species is important in ecology and conservation biology. It can help us predict how species might respond to changes in their environment, and how they might impact other species in their introduced range.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Abiotic Factors
Abiotic factors are the non-living components of an ecosystem that can influence the distribution and behavior of organisms. These include elements such as temperature, humidity, soil composition, and water availability. In the context of Burmese pythons in Florida, abiotic factors like climate and habitat type can significantly affect their ability to thrive and expand their range.
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Biotic Factors
Biotic factors refer to the living components of an ecosystem that interact with organisms, including competition, predation, and disease. For Burmese pythons, biotic factors such as the presence of native predators, competition with other snake species, and the availability of prey can limit their population growth and geographic spread in Florida.
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Invasive Species
An invasive species is a non-native organism that, when introduced to a new environment, can cause significant ecological disruption. Burmese pythons are considered invasive in Florida because they can outcompete native species for resources, disrupt local food webs, and lead to declines in native wildlife populations. Understanding their impact is crucial for managing biodiversity in affected ecosystems.
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