Recommandé
Contenu connexe
Tendances
Tendances (20)
En vedette
En vedette (20)
Similaire à Chapter Four Lecture- Ecosystems
Similaire à Chapter Four Lecture- Ecosystems (20)
Plus de Mary Beth Smith
Plus de Mary Beth Smith (20)
Dernier
Dernier (20)
Chapter Four Lecture- Ecosystems
- 1. Chapter Four Ecosystems & Communities
- 2. 4.1 The Role of Climate
- 3. Weather 4.1 The Role of Climate The condition of the atmosphere at a given time and place Weather changes
- 4. Climate 4.1 The Role of Climate Describes the average temperature and precipitation for an area Relatively unchanging
- 5. The Greenhouse Effect 4.1 The Role of Climate Certain gases in the atmosphere trap heat on Earth’s surface. CO2 H2O CH4
- 6. Climate & Latitude 4.1 The Role of Climate Earth has three main climate zones polar zones temperate zones tropical zone
- 7. Climate & Latitude 4.1 The Role of Climate Sunlight hits the Earth more directly at the equator.
- 8. Climate & Latitude 4.1 The Role of Climate Sunlight is spread over greater area at the poles, so it is less intense.
- 9. Climate & Latitude 4.1 The Role of Climate Temperate zones have distinct seasons.
- 10. Heat Flow on Earth 4.1 The Role of Climate Warmed air rises at the equator and falls as it cools near the poles. CONVECTION
- 11. Heat Flow on Earth 4.1 The Role of Climate
- 12. Heat Flow on Earth Ocean currents are caused by convection and wind. 4.1 The Role of Climate
- 13. Habitat 4.2 What Shapes an Ecosystem? A habitat is where an organism lives.
- 14. Habitat 4.2 What Shapes an Ecosystem? Both biotic and abiotic factors affect organisms and ecosystems.
- 15. Habitat 4.2 What Shapes an Ecosystem?
- 16. 4.2 What Shapes an Ecosystem?
- 17. Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem? Competition- Organisms compete for resources, like water, food, or space.
- 18. Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem? Competitive Exclusion Principle No two species can occupy the same niche
- 19. Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem? Predation- One organism feeds on another
- 21. Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem? Symbiosis- close relationships between species mutualism commensalism parasitism
- 22. Mutualism- both species benefit Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem?
- 23. Mutualism- both species benefit Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem?
- 24. Mutualism- both species benefit Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem?
- 25. Mutualism- both species benefit Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem?
- 26. Commensalism One species benefits, one is unaffected Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem?
- 27. Commensalism One species benefits, one is unaffected Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem?
- 28. Parasitism- One species benefits, the other is harmed Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem?
- 29. Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem? Parasitism- One species benefits, the other is harmed
- 30. Community Interactions Affect Ecosystems 4.2 What Shapes an Ecosystem? Parasitism- One species benefits, the other is harmed
- 31. Changing Ecosystems 4.2 What Shapes an Ecosystem? Ecosystems are constantly changing in response to natural and human disturbances.
- 32. Changing Ecosystems 4.2 What Shapes an Ecosystem? Ecological succession describes changes that occur as a new ecosystem develops.
- 33. Changing Ecosystems 4.2 What Shapes an Ecosystem?
- 34. Changing Ecosystems 4.2 What Shapes an Ecosystem? Occurs when there is no soil Primary succession
- 35. Changing Ecosystems 4.2 What Shapes an Ecosystem? pioneer plants are lichens Primary succession
- 36. Changing Ecosystems 4.2 What Shapes an Ecosystem? Dead lichen produce soil where tiny plants can grow Primary succession
- 37. Changing Ecosystems 4.2 What Shapes an Ecosystem? Small plants grow when soil is present Secondary succession
- 38. Changing Ecosystems 4.2 What Shapes an Ecosystem? pioneer plants are often lichens Primary succession
- 39. Changing Ecosystems 4.2 What Shapes an Ecosystem? pioneer plants are often lichens Primary succession
- 40. Biomes 4.3 Biomes A biome covers a large area and is characterized by certain soil and climate conditions and particular types of plants and animals. Desert Biome
- 41. Biomes 4.3 Biomes tropical rain forest tropical dry forest tropical savanna desert temperate grassland temperate woodland and shrubland temperate forest northwestern coniferous forest boreal forest tundra Tundra Biome