BIODIVERSITY And Why it Matters. Today’s AIM: Is living off of another always a bad thing? DO NOW: Read The Ice Age’s Fiercest Predator and construct.

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Presentation transcript:

BIODIVERSITY And Why it Matters

Today’s AIM: Is living off of another always a bad thing? DO NOW: Read The Ice Age’s Fiercest Predator and construct an energy pyramid to represent an Ice Age ecosystem

How are these organisms interacting with each other? “SYMBIOSIS”

1. Parasitism The Cordyceps Fungus: =XuKjBIBBAL8 =XuKjBIBBAL8

1. Parasitism The Cordyceps fungus is referred to as a parasite. Synthesize a definition for the term parasitism__________ ___________________ ___________________ ___________________ ___________________ ___________________

1. Parasitism When one organism (the parasite) lives in/on another organism (the host) and benefits while harming the host. (,  )

Stop & Jot Parasites rarely kill their hosts right away instead keeping them alive as long as needed. In fact, the best parasites never actually kill their hosts, though they may weaken them significantly. Explain why parasites would not want to kill their hosts immediately. _______________________________________ _______________________________________ _______________________________________

How are parasites & hosts different from predators & prey? PARASITES/HOSTSPREDATORS/PREY

2. Commensalism The Remora Fish attaches to a shark and eats its leftover food scraps. The shark doesn’t notice (or seem to care)

2. Commensalism Brainstorm: Definition ______________ ______________ ______________ Sup? WHO SAID THAT??!

2. Commensalism When one organism benefits, and the other isn’t helped or harmed (,  ) Sup? WHO SAID THAT??!

3. Mutualism The plover is a bird which cleans the teeth of a crocodile. The bird gets food, and the croc gets clean teeth

3. Mutualism Brainstorm: Definition _________________ _________________ _________________

3. Mutualism When organisms do things that benefit each other (, )

PARTNER PRACTICE Directions: Read each of the relationship scenarios below. Identify the two organisms involved in the boxes labeled ‘Organism 1’ and ‘Organism 2’, and identify whether they benefit, are harmed, or are neutral in the relationship If the relationship is parasitic, identify the host and parasite as well. Lastly, classify what type of symbiosis each example is in the third column. Organism 1Organism 2 Symbiotic Relationship? Cordyceps Fungus (Benefits - Parasite ) Ant (Harmed - Host  ) Parasitism (,  )