Deep ocean organisms - PowerPoint PPT Presentation

Lesson Overview

Lesson Overview. 4.5 Aquatic Ecosystems. Conditions Underwater. What factors affect life in aquatic ecosystems? Aquatic organisms are affected primarily by the water’s depth, temperature, flow, and amount of dissolved nutrients. Water Depth .

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Chapter 1 Section 4 Biomes Contain Many Species

Chapter 1 Section 4 Biomes Contain Many Species. Objectives: 1. Describe how biomes vary by region and how they are classified by the plant life they support 2. Explain that different ecosystems make up biomes 3. Describe different land and water biomes.

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Review

Review. Darwin’s theory of evolution: Natural selection Survival of the fittest Adaptation to environment Variation in species Natural selection: over time advantageous traits will be found in more of the population

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