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AIM: How do plants & animals depend on each other and their physical environment?

AIM: How do plants & animals depend on each other and their physical environment?. 4/25/13 DO NOW: Put last night’s Review Sheet in the basket. Pick up your scantron & write your homework assignment on it. HOMEWORK: Read p. 55-57 Answer questions #1-36 on p. 58-65 on the scantron .

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AIM: How do plants & animals depend on each other and their physical environment?

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  1. AIM: How do plants & animals depend on each other and their physical environment? 4/25/13 DO NOW: • Put last night’s Review Sheet in the basket. • Pick up your scantron& write your homework assignment on it. HOMEWORK: • Read p. 55-57 • Answer questions #1-36 on p. 58-65 on the scantron. DUE – Tomorrow - 8 AM

  2. What is a food chain? • A model for showing the flow of food energy from one organism to the next in a community. Explain what the arrows on the food chain represent? • Who’s eating what • The directional flow of energy

  3. Where do producers get their energy? • The sun Where do consumers get their energy? • Eat other organisms What is the primary source of energy on Earth? • The Sun Why?

  4. How are primary, secondary, and tertiary consumers different? • Primary consumers – eat on plants • Secondary consumers – eat primary consumers • Tertiary consumers – eat secondary consumers Identify the Primary, Secondary, & Tertiary consumers in the food chain.

  5. What is the function of the decomposers? • Break down the waste and remains of dead organisms

  6. ILS Question • What does the leopard seal eat? • What do the arrows in the diagram represent? • Identify the herbivore in the diagram.

  7. ILS Question Base your answers to questions 1 through 3 on the diagram below and on your knowledge of science. The diagram represents an ecosystem. • Identify one producer shown in the diagram. • Identify one consumer in the diagram. • What is the original source of energy for this ecosystem?

  8. What does an Energy pyramid show? • Energy lost through a food chain Which organisms have the greatest energy in a energy pyramid? • The producers (bottom) Describe the amount of energy that is passed along a food chain based on the energy pyramid. • Energy is lost as you move along the food chain. • 90% energy lost?

  9. What is a food web? • Many food chains linked together in an ecosystem What is a predator? • An animal that hunts, kills, & eats other animals What is a prey? • Animals that are killed and eaten Give an example of a predator-prey relationship.

  10. ILS Question Base your answers to questions 1and 2on the diagram below. which shows a partial food web. • How many organisms in this food web feed on the mice? • Which group of organisms is missing from this food web?

  11. ILS Question Base your answers to questions 1and 2on the food web below and on your knowledge of science. • Which organism labeled in this food web provides energy, either directly or indirectly, to all of the other organisms? • Explain why the amount of food available to the slug population might increase if the aphid population decreased.

  12. ILS Question Base your answers to questions 1through 3 on the food web below and on your knowledge of science • Identify two consumers in this food web that eat producers. • Explain why the foxes shown in this food web are categorized as carnivores. • Both owls and hawks eat mice. Explain why the removal of mice from this food web would likely affect owls more than hawks.

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