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DO NOW!. Write down as many relationships as you can think of that you are a part of in your life (no names necessary!) Yes, even the relationships you wish were better!
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DO NOW! • Write down as many relationships as you can think of that you are a part of in your life (no names necessary!) Yes, even the relationships you wish were better! • Write a + next to the person who benefits from the relationship, a – next to the person who is harmed, and a 0 next to the person who is unaffected. • Example : Me 0 My Sister +
How Species Interact With Each Other Objectives: Define niche and give examples Describe the three main types of interactions between animals. Describe the three main types of symbiosis.
Habitat vs. Niche • Habitat – the location where an organism lives (its address) • Niche – the unique role of a species within its ecosystem or how the animal or plant uses its habitat (its address) • No two species can occupy the same niche, but they can occupy similar niches • worksheet
Interactions • When organisms occupy similar niches, they interact. • Competition - example • Predation – example • Symbiosis - example
Symbiosis • Three types • Mutualism +/+ • Commensalism +/0 • Parasitism +/- • http://video.nationalgeographic.com/video/animals/invertebrates-animals/other-invertebrates/clownfish_amonganemones/ • http://www.vtaide.com/png/videos/aphids-ants.html • http://video.nationalgeographic.com/video/animals/bugs-animals/other-bugs/bedbugs/ • http://www.bbc.co.uk/nature/adaptations/Symbiosis#p006gjbr • http://www.bbc.co.uk/nature/adaptations/Symbiosis#p003k9lm
Ticket Out • Close notes and book and describe one example of mutualism