The Predator-Prey Relationship. Part 1: The Meaning & Predicting With your tablemates, discuss the information in part 1 Define the terms Complete the.

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Presentation transcript:

The Predator-Prey Relationship

Part 1: The Meaning & Predicting With your tablemates, discuss the information in part 1 Define the terms Complete the statements Be ready to share out!!!

Part 1: The Meaning & Predicting Predator: an animal that hunts & kills another animal for food/energy Prey: an animal being hunted & eaten by another animal

Part 1: The Meaning & Predicting (cont.) If the number of predators increases, the prey will ___________ because _____________________. If the number of predators decreases, the prey will ____________ because _____________________.

Part 1: The Meaning & Predicting (cont.) If the number of predators increases, the prey will decrease because _______________________. If the number of predators decreases, the prey will __________ because ______________________.

Part 1: The Meaning & Predicting (cont.) If the number of predators increases, the prey will decrease because they have a lot of organisms hunting them. If the number of predators decreases, the prey will __________ because ______________________.

Part 1: The Meaning & Predicting (cont.) If the number of predators increases, the prey will decrease because they have a lot of organisms hunting them. If the number of predators decreases, the prey will increase because _________________________.

Part 1: The Meaning & Predicting (cont.) If the number of predators increases, the prey will decrease because they have a lot of organisms hunting them. If the number of predators decreases, the prey will increase because they aren’t being hunted as much.

Part 1: The Meaning & Predicting (cont.) If the number of prey increases, the predators will _____________ because _________________. If the number of prey decreases, the predators will ____________ because ___________________.

Part 1: The Meaning & Predicting (cont.) If the number of prey increases, the predators will increase because _____________________. If the number of prey decreases, the predators will ____________ because ___________________.

Part 1: The Meaning & Predicting (cont.) If the number of prey increases, the predators will increase because they have a lot of food available. If the number of prey decreases, the predators will ____________ because ___________________.

Part 1: The Meaning & Predicting (cont.) If the number of prey increases, the predators will increase because they have a lot of food available. If the number of prey decreases, the predators will decrease _ because ___________________.

Part 1: The Meaning & Predicting (cont.) If the number of prey increases, the predators will increase because they have a lot of food available. If the number of prey decreases, the predators will decrease _ because they don’t have a lot of food available.

T HINK ABOUT IT …. Are the predators limiting factors for the prey OR are the prey limiting factors for the predators? Think Partner up at your table Discuss Be ready to report out!

Part 2: The Math Sketch the shape of a predator-prey graph. Use your definitions!!!! Use your predictions!!!! Use your math knowledge!!!! Use your notes!!!! HINT: You will need TWO lines: one representing the predator population one representing the prey population

Adjust your sketch! Predator-Prey Population Graph: NOTE THE: Prey population starts higher than the predator. WHY? Prey population drops right about when the predator population rises. WHY? Predator population falls when the prey population reaches a low. WHY?

R ATE YOUR LEARNING ! Use the generic scale: 0 = I’m don’t get this at all! 1 = I get some of it 2 = I get most of it 3 = I totally get this! 4 = I can help teach someone else this! Now, talk at your tables about your learning. Can you help someone there? Do you need help from someone there? Be ready to chat with your teacher!

Part 3: Making Connections: Look at today & think about yesterday….. Answer the questions about the graphs & the Oh Deer! activity. Be prepared to share!!!