BIO120H1 Lecture Notes - Lecture 12: Mustard Plant, Global Warming, Directional Selection

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8 Jan 2018
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BIO120H1 Full Course Notes
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BIO120H1 Full Course Notes
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Monday, october 23, 2017: early founder of biodiversity science, the loss of biodiversity is the most important process of environmental change. This is because it is the only process that is wholly irreversible. Its consequences are also the least predi(cid:272)ta(cid:271)le, (cid:271)e(cid:272)ause the value of the earth"s (cid:271)iota is largely unstudied and unappreciated. Today"s glo(cid:271)al e(cid:374)(cid:448)iro(cid:374)(cid:373)e(cid:374)tal pro(cid:271)le(cid:373)s: global warming and climate change, loss of biodiversity, environmental pollution, human famine, spread of infectious diseases, human population growth. Monday, october 23, 2017: migrate to more favourable environmental conditions (ecology, adapt to changing environmental conditions (evolution, go locally or globally extinct (evolution) He found that there was evidence of directional selection for early flowering in both populations in 2002, which allowed the plants to set more seed than later flowering plants. Took seeds in 1997, set of genotypes collected from each of the 2 populations collected seeds again from the same populations.