CHEM-UA 109 Lecture Notes - Lecture 3: Evolutionary Arms Race, Snowshoe Hare, Main Sequence
16 Aug 2016
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Coevolution: when two species head down evolutionary track together a. Flow of energy in ecosystems: food chain linear flow of who eats whom, food web more complex version of a food chain, trophic levels, heterotrophs a. i. Consume other organisms for energy: autotrophs b. i. Obtain energy from light/inorganic materials: primary producers c. i. Sun energy chemical energy: primary consumers d. i. Herbivores, eat primary consumers: secondary consumers e. i. Heterotrophs that obtain energy from eating dead organisms (decomposers: chemoautotrophs, primary producers, where seawater and super hot rock comes into contact (h2s and o2, prokaryotes live in tube worms, ecological pyramids relationship between trophic levels. Innate things you have from birth to learned things you learned over a lifetime a. Anything you have from day one a. i. 1. i. e. grasping reflex in babies: fixed action patterns b. i. When you have a stimuli, it"s a a series of actions you take until completion b. i. 1. Gray-leg goose pulls eggs back into next c.
