Sunday, October 17, 2010

Symbiotic Relationship

In this picture, there is a tree and poison ivy. The type of relationship they have is a mutualism relationship. The tree benefits because the poison ivy gives it protection and the poison ivy benefits by having a place to grow.

Thursday, September 30, 2010




This is my dog, he is a biotic limiting factor. He is a biotic limiting factor because he eats groundhogs. Little Bear changes the ecosystem because when he eats groundhogs he takes away part of their population.