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Specialty Niches Invasive vs. Native Species Indicator Species Keystone Species Invasive Species Carcinus maenus, the European Green Crab, was introduced to North America in the 1800's. This predator now ranges from Nova Scotia to Delaware. Purple loosestrife & Kudzu 3 examples: Macquarie Island / Pythons/Asian Carp • http://www.youtube.com/watch?v=QOxoZB6 PxpU&playnext=1&list=PLB127E4EA44F5FC28 • http://www.youtube.com/watch?v=PjaM7wB WWoc&feature=relmfu • http://www.youtube.com/watch?v=mUssO68 D2eM (to 6:30) Native Species Indicator Species Keystone Species Foundation Species BIOMES Understanding the Environment that has selected for adaptations… Biomes are classified according to: TEMPERATURE PRECIPITATION • Tropical • Temperate • Polar • Deserts • Grasslands • Forests • The angle that the sun hits the Earth varies • The amount of rainfall will determine what plants can grow & how many • This leads to Global Wind patterns PRECIPITATION INFLUENCES • Rain dictates Plants. Plants dictate Animals. • Plants want to maximize photosynthesis – Big leaves • Plants want to retain water and control temp. – Small leaves – Waxy coating