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Natural Selection
The document discusses natural selection and adaptation. It explains that natural selection is the process by which heritable traits that increase an organism's chances of survival and reproduction become more common over generations. It was introduced by Charles Darwin in his 1859 book On the Origin of Species. Examples are given of natural selection in different organisms. Limiting factors like food, space, disease, and others influence population sizes within ecosystems.
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Natural Selection
- 1. Natural Selection and Adaptation Monday, April 12, 2010
- 2. Natural selection is the process by which those heritable traits that make it more likely for an organism to survive and successfully reproduce become more common in a population over successive generations. Monday, April 12, 2010
- 3. Often used inconjunction with the phrase survival of the fittest. A fit organism is said to have a reproductive advantage in a population. Monday, April 12, 2010
- 4. Often used inconjunction with the phrase survival of the fittest. A fit organism is said to have a reproductive advantage in a population. What happens to an organism that fails to reproduce? Monday, April 12, 2010
- 5. Introduced by CharlesDarwin in his 1859 book On the Origin of Species. Monday, April 12, 2010
- 6. Introduced by CharlesDarwin in his 1859 book On the Origin of Species. Monday, April 12, 2010
- 7. Introduced by CharlesDarwin in his 1859 book On the Origin of Species. Monday, April 12, 2010
- 8. Introduced by CharlesDarwin in his 1859 book On the Origin of Species. Remember: 1859 was well before the discovery of DNA as hereditary material. Monday, April 12, 2010
- 9. Examples of natural selection... Monday, April 12, 2010
- 10. Examples of natural selection... Monday, April 12, 2010
- 11. Examples of natural selection... Monday, April 12, 2010
- 12. Examples of natural selection... Monday, April 12, 2010
- 13. Examples of natural selection... Monday, April 12, 2010
- 14. Examples of natural selection... Monday, April 12, 2010
- 15. Examples of natural selection... Monday, April 12, 2010
- 16. Natural Selection has been used by many scientists to describe the biodiversity seen on our planet. Monday, April 12, 2010
- 17. It has alsobeen used to explain speciation (the evolution of new species of organisms) Monday, April 12, 2010
- 18. The radicalism of natural selection lay in its power to dethrone some of the deepest and most tradition comforts of Western thought. -Stephen Jay Gould Monday, April 12, 2010
- 19. Symbiosis is the process by which an organism may coevolve to interact closely with another organism. Monday, April 12, 2010
- 20. Mutualism results inboth organisms benefiting from the relationship. Monday, April 12, 2010
- 21. Mutualism results inboth organisms benefiting from the relationship. Monday, April 12, 2010
- 22. Mutualism results inboth organisms benefiting from the relationship. Monday, April 12, 2010
- 23. Mutualism results inboth organisms benefiting from the relationship. Monday, April 12, 2010
- 24. Commensalism results inone organism benefiting and one being unaffected in a relationship. Monday, April 12, 2010
- 25. Commensalism results inone organism benefiting and one being unaffected in a relationship. Monday, April 12, 2010
- 26. Commensalism results inone organism benefiting and one being unaffected in a relationship. Monday, April 12, 2010
- 27. Commensalism results inone organism benefiting and one being unaffected in a relationship. Monday, April 12, 2010
- 28. Parasitism is arelationship in which one organism benefits and one is harmed Monday, April 12, 2010
- 29. Parasitism is arelationship in which one organism benefits and one is harmed Monday, April 12, 2010
- 30. Parasitism is arelationship in which one organism benefits and one is harmed Monday, April 12, 2010
- 31. Parasitism is arelationship in which one organism benefits and one is harmed Monday, April 12, 2010
- 32. There are many limiting factors that influence populations of organisms in an ecosystem... Monday, April 12, 2010
- 33. There are many limiting factors that influence populations of organisms in an ecosystem... Food Monday, April 12, 2010
- 34. There are many limiting factors that influence populations of organisms in an ecosystem... Food Predation Monday, April 12, 2010
- 35. There are many limiting factors that influence populations of organisms in an ecosystem... Food Predation Disaster Monday, April 12, 2010
- 36. There are many limiting factors that influence populations of organisms in an ecosystem... Food Predation Space Disaster Monday, April 12, 2010
- 37. There are many limiting factors that influence populations of organisms in an ecosystem... Food Sunlight Predation Space Disaster Monday, April 12, 2010
- 38. There are many limiting factors that influence populations of organisms in an ecosystem... Food Sunlight Predation Space Disaster Disease Monday, April 12, 2010
- 39. There are many limiting factors that influence populations of organisms in an ecosystem... Food Sunlight Shelter Predation Space Disaster Disease Monday, April 12, 2010
- 40. Many other factorsmay influence natural selection in an ecosystem... Monday, April 12, 2010
- 41. Many other factorsmay influence natural selection in an ecosystem... Hunting Monday, April 12, 2010
- 42. Many other factorsmay influence natural selection in an ecosystem... Hunting Pollution Monday, April 12, 2010
- 43. Many other factorsmay influence natural selection in an ecosystem... Hunting Forest Fires Pollution Monday, April 12, 2010
- 44. Many other factorsmay influence natural selection in an ecosystem... Hunting Deforestation Forest Fires Pollution Monday, April 12, 2010
- 45. Many other factorsmay influence natural selection in an ecosystem... Hunting Introduction of new species Deforestation Forest Fires Pollution Monday, April 12, 2010