Bell Ringer Question

1. Bell Ringer Question Think of an example in the Bible where God shows power over the water cycle. After one minute, you will have a chance to share with a partner and then with the class.

2. Topics 4-5 Review Science 7 Interactions and Ecosystems

3. Use the Key Terms on pg. 55 to help you. The first 12 questions are from pg. 55 in your textbook. • In the upper corner of your whiteboard, record the points you have so far.

4. In a ecosystem, ___________________ make their own food using the Sun’s energy, and all other organisms are ___________________ because they cannot make their own food, they must acquire it. /2

5. In a ecosystem, producers make their own food using the Sun’s energy, and all other organisms are consumers because they cannot make their own food, they must acquire it. /2

6. 2. _____________________ are organisms that kill and eat other organisms called ____________________. /2

7. 2. Predators are organisms that kill and eat other organisms called prey. /2

8. 3. Organisms that eat only producers are called _______________ and organisms that can eat anything are called ________________________. /2

9. 3. Organisms that eat only producers are called herbivores and organisms that can eat anything are called omnivores. /2

10. 4. Energy moves through the ecosystem, starting at the Sun and passing from organism to organism. This is called ________________. /1

11. 4. Energy moves through the ecosystem, starting at the Sun and passing from organism to organism. This is called energy flow. /1

12. 5. The two types of organisms that break down dead and waste material are called _______________ and ____________________. /2

13. 5. The two types of organisms that break down dead and waste material are called decomposers and scavengers. /2

14. 6. A ____________________ is a network of interconnected ________________________. /2

15. 6. A food web is a network of interconnected food chains. /2

16. 7. To show how much energy is moving through a system, scientists use a ___________. /1

17. 7. To show how much energy is moving through a system, scientists use a pyramid of numbers. /1

18. 8. The two main naturally occurring cycles in the environment are the ____________________ and the _____________________. /2

19. 8. The two main naturally occurring cycles in the environment are the water cycle and the carbon cycle. /2

20. 9. Pollutants enter a food chain and move from one organism to the next. The build-up of pollutants because of this movement is called ___________________. /1

21. 9. Pollutants enter a food chain and move from one organism to the next. The build-up of pollutants because of this movement is called bioaccumulation. /1

22. 10. Draw the following three organisms in a food chain: hawk, corn, field mouse /3

23. 10. Draw the following three organisms in a food chain: hawk, corn, field mouse Corn  field mouse  hawk /3

24. 11. Label the niche of each organism in the food chain Corn  field mouse  hawk /3

25. 11. Label the niche of each organism in the food chain Corn -producer field mouse – consumer/ herbivore  hawk – consumer/ carnivore /3

26. 12. Draw a pyramid of numbers for this food chain. Corn  field mouse  hawk /3

27. 12. Corn  field mouse  hawk /3

28. 13. Name the process described below: Water coming up from the roots of a plant and leaving the leaf as water vapour. /1

29. 13. Name the process described below: Water coming up from the roots of a plant and leaving the leaf as water vapour. Transpiration /1

30. True or False: Plants, animals and other living things are the abiotic parts of the ecosystem.

31. False: Plants, animals and other living things are the abiotic parts of the ecosystem.

32. Total: out of 27