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Understanding Equilibrium, Cell Transport, and Ecosystem Succession

This unit covers essential concepts such as equilibrium, endocytosis, and exocytosis, focusing on how substances are transported across cell membranes through passive and active processes. Key topics include homeostasis, hydrophilic and hydrophobic properties, and the role of protein channels in facilitated diffusion. Additionally, the unit explores ecological succession, distinguishing between primary and secondary succession, and emphasizes the impact of human activities on the environment. Understanding plant and animal adaptations, along with tropisms, further enriches our knowledge of biological interactions.

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Understanding Equilibrium, Cell Transport, and Ecosystem Succession

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  1. EOCT material: Unit 4 EquilibriumVocabulary • Equilibrium • Endocytosis Exocytosis Na/K pump Concentration gradient • Hydrophilic • Hydrophobic • Protein channels • Facilitated diffusion • Primary succession • Seconday succession • Climax community • Phototropism • Gravitropism • Thigmotropism

  2. Cell Transport-Passive (no energy)

  3. Osmotic solutions

  4. Active Cell Transport

  5. Cell Membrane Function • Homeostasis: the ability of an organism to maintain a stable internal environment to survive • Cell Membrane: controls homeostasis for cells by allowing substance in and out while maintaining equilibrium.

  6. Cell Membrane Structure

  7. Ecology TopicsSuccession of Ecosystems • Primary succession-starts with bare rock

  8. Secondary Succession • Starts with lichen, grasses (pioneer plants) over time creates a climax community

  9. Human Activities on the Environment • Global warming-excess carbon dioxide

  10. Deforestation and resource depletion Ozone Depletion Air Pollution

  11. Chemical Pollutants • F Fertilizers

  12. The problem???

  13. Plant Adaptations

  14. Plant Tropisms (behavior) • Bend toward Shoots grow Response the sun/ up, roots down to touch

  15. Animal Adaptations

  16. Animal Behaviors

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