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In this lesson, we will delve into a Biblical example of God's power over the water cycle, prompting thoughtful discussion. Students will engage in group sharing after a minute of reflection. We will also utilize our textbook's key terms on ecosystem interactions to enhance understanding. We'll cover topics including producers, consumers, energy flow, food webs, and the water and carbon cycles. Finally, students will participate in drawing food chains and pyramids of numbers while discussing types of organisms within ecosystems, ensuring a comprehensive grasp of ecological concepts.
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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.
Topics 4-5 Review Science 7 Interactions and Ecosystems
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.
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
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
2. _____________________ are organisms that kill and eat other organisms called ____________________. /2
2. Predators are organisms that kill and eat other organisms called prey. /2
3. Organisms that eat only producers are called _______________ and organisms that can eat anything are called ________________________. /2
3. Organisms that eat only producers are called herbivores and organisms that can eat anything are called omnivores. /2
4. Energy moves through the ecosystem, starting at the Sun and passing from organism to organism. This is called ________________. /1
4. Energy moves through the ecosystem, starting at the Sun and passing from organism to organism. This is called energy flow. /1
5. The two types of organisms that break down dead and waste material are called _______________ and ____________________. /2
5. The two types of organisms that break down dead and waste material are called decomposers and scavengers. /2
6. A ____________________ is a network of interconnected ________________________. /2
6. A food web is a network of interconnected food chains. /2
7. To show how much energy is moving through a system, scientists use a ___________. /1
7. To show how much energy is moving through a system, scientists use a pyramid of numbers. /1
8. The two main naturally occurring cycles in the environment are the ____________________ and the _____________________. /2
8. The two main naturally occurring cycles in the environment are the water cycle and the carbon cycle. /2
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
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
10. Draw the following three organisms in a food chain: hawk, corn, field mouse /3
10. Draw the following three organisms in a food chain: hawk, corn, field mouse Corn field mouse hawk /3
11. Label the niche of each organism in the food chain Corn field mouse hawk /3
11. Label the niche of each organism in the food chain Corn -producer field mouse – consumer/ herbivore hawk – consumer/ carnivore /3
12. Draw a pyramid of numbers for this food chain. Corn field mouse hawk /3
13. Name the process described below: Water coming up from the roots of a plant and leaving the leaf as water vapour. /1
13. Name the process described below: Water coming up from the roots of a plant and leaving the leaf as water vapour. Transpiration /1
True or False: Plants, animals and other living things are the abiotic parts of the ecosystem.
False: Plants, animals and other living things are the abiotic parts of the ecosystem.