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Unit 10

Unit 10. Ecology. Ecology. The study of the interactions between living and non-living things. How does one thing affect another? All living things rely on other things to survive. We will learn about what happens when an environment undergoes change. Biotic = living. Abiotic = non-living.

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Unit 10

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  1. Unit 10 Ecology

  2. Ecology • The study of the interactions between living and non-living things. • How does one thing affect another? • All living things rely on other things to survive. • We will learn about what happens when an environment undergoes change.

  3. Biotic = living Abiotic = non-living Organism Population Community Ecosystem Biosphere

  4. Rabbits Population Organization in the Environment Rabbits Trees Hawk Water Temperature Sun Ecosystem Rabbits Trees Hawk Community Rabbit Organism

  5. The SUN is the main source of energy for ANY Food Web. hawk bird insect Oak tree Niche is the role an organism plays in it’s environment. snake Pine cone mouse • Producer • Consumer • herbivore • carnivore • omnivore • scavenger • Decomposer Acorns salamander bacteria fungi Food web shows the flow of energy in an ecosystem. Food chain shows the flow of energy in only ONE direction.

  6. Energy Pyramid • Increase in: • Population • Energy • Decrease in: • Population • Energy 2nd order consumer First order consumer

  7. insect deer • 3 food chains • List producers • List herbivores • List carnivores • List omnivores • What’s missing? frog trout grass raccoon wolf mouse snake

  8. . Symbiosis • Mutualism: A relationship where both organisms benefit • Example: humans and intestinal bacteria • Commensalism: A relationship where one organism benefits and the other is unaffected. • Example: sharks and remoras • Parasitism: A relationship where one organism benefits and the other is harmed. • Example: deer and a deer tick

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