There many examples of predator-prey relationships: wolves eating rabbits, frogs eating insects, even a goat eating grass. Grass could be considered the prey. Relationships in the Ecosystem. What are the types of relationships? 1)Predator / Prey 2)Competition 3)Symbiosis A) commensalism B) mutualism C) parasitism. Topic: Relationships in Nature: Predator/Prey relationships, Symbiotic Relationships. Purpose: To review the vocabulary of mutualism, commensalism and.
Image Work—Circle Sculpt Invite the class stand in a circle. Review the definitions for each of these words. Create the image of mutualism.
Relationships Between Organisms
Have the group think of what an image might look like that represents mutualism. The challenge here is to show the relationship between two things with just one body.
Once most people have thought of an idea, count to three and have the group form their image at the same time. Challenge the students to form two concentric circles one inside the other in 10 seconds.
What shapes can we see in space? What does this tell us about commensalism? What can we learn about the relationship between two things?
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Change roles—have the inside circle make statues of parasitism. What does this tell us about parasitism?
Assign students a partner. With their partners, they need to decide: Which symbiotic pair they would like to be and then discuss about how their relationship has been.
Predator/Prey and Symbiotic Relationships
Give partners about two minutes to discuss. One plant gets a place to live and the other doesn't care and is not hurt. Competition This relationship is when two species are competing for the same resources. If there are only ten trees with fruit and I am better at reaching the fruit than you are, sorry, you don't get any.
When you don't get any fruit you die. That's just the way nature works. It could go the other way though. If I kill all of the trees with the high fruit and only low fruit is left, you win.
Competition usually happens when you have a limited amount of resources. There is one important idea to remember. Sometimes no one wins.
Sometimes if everything is even it can be a stalemate and both species compete, but both survive. Imagine if we are different species, but have the same skills. No one would be a winner in that case. Mutualism The heart of mutualism is that two species live together in harmony. Both species receive an advantage by working with the other.
Predator/Prey and Symbiotic Relationships | Drama-Based Instruction
More importantly, it helps them both survive. We previously spoke about the relationships between bugs and plants.
That often happens as a mutualism type of relationship. We suppose you could also use rescue dogs as an example. The masters take care of the dogs and the dogs learn how to save people.