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Seats : period 1. Seats : period 5. Catalyst. 4 minutes!. Give an example of symbiosis where both organisms benefit from the close relationship. Explain why the symbol for commensalism is + / 0.
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Catalyst 4 minutes! • Give an example of symbiosiswhere both organisms benefit from the close relationship. • Explain why the symbol for commensalism is + / 0. • Flashback! Who is always on the bottom of an energy pyramid: producers or consumers? • What is the difference between a predator and a parasite?
100.B • 1: Raise a hand • 1: Demonstrate North Star traits • Problem solver • Goal driven • 3: 100% seated before the bell • 3: “Ready for your attention” • 3: Lab / activity clean up • 5: 100% on task during practice • 5: 80% exit ticket average Headphones on Friday!
100.B love it or hate it! hot seat ! head phones ! hot seat ! music ! hot seat ! head phones ! head phones ! head phones !
Objectives • Agenda • Catalyst 5 • Define It 5 • Who Am I? 10 • Practice 15 • Exit Ticket 15 • We are learning to… • Analyze relationships in ecological systems • We will be successful when we can… • Describe & identify examples of symbiotic relationships science genius!
1. mycorrhizaeand tree mycorrhizae get a host to grow tall on, but the trees may be prevented from growing and die
2. pilot fish and shark The pilot fish eats bacteria and dead skin off the shark
3. shrimp and anemone the anemone provides protection and meals for the shrimp
4. tapeworm and human tapeworm steals nutrition from the human and provides no benefit in return
5. virus and human viruses insert their DNA in cells for increased replication and humans may become infected
6. alga and lichen lichens take food that algae makes from sunlight and provide a protective layer so algae do not dry out
Flash Back! • Limiting Factors • Density dependent • Density independent • Food Chains & Webs • Producers, consumers, decomposers • Energy Pyramids • Symbiosis • Mutualism • Commensalism • Parasitism
Exit Ticket 4 minutes! 12 minutes! • You may use your assignments! • You must work quietly & independently. • Talking will NOT be tolerated. BIG goal = 80% 0
Turn it in homework due YESTERDAY!