BIO120H1 Lecture Notes - Lecture 13: Ecological Succession, Prokaryote, Proceedings Of The National Academy Of Sciences Of The United States Of America
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Lecture 13 adaptation & biodiversity: what ecology is and why it matters, a brief intro to me, how many species are there, what determines a species" range, what determines a species" abundance, the importance of scale. Ecology, the science of: how organisms interact with each other and with their environment, the distribution and abundance of species, the structure and function of ecosystems, in a nutshell, the science of biodiversity. My research: how do mutualism and symbiosis evolve, does mutualism a ect ecological or evolutionary success, plant-animal and hostmicrobe interactions, field and lab experiments, mostly non-model organisms. How many species are there: globally, too many to count, many (>85%) still unknown to science, a recent estimate, extrapolated from rates at which new taxa are described: 8. 7 million (give or take about a million) (just eukaryotes ) Biodiversity is not equally distributed across the tree of life.
