BIO120H1 Lecture Notes - Lecture 14: Transect, Community Structure, Natural Selection
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BIO120H1 Full Course Notes
Verified Note
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Document Summary
A unit of ecological organization having recognizable boundaries and whose structure and functioning are regulated by interactions among species. Functions of various species are connected and evolved to enhance their interdependence. Communities can be discrete entities distinguishable from one another (distinguish individuals within populations or different species within a community) Frederic e. clements holistic concept: community relation with vegetation types, communities boundaries are defined and respected by most species of plants and animals. A loose assemblage of species that can tolerate the conditions of particular place or habitat, which has no distinct boundary where one meets another. Plant community ecology: describes natural types" of vegetation assemblages of plant species that tended to occur together, characterized at a regional scale by particular sets of species due to the physical aspects of climate and soil. Trophic relationships- where a species"s energy come from (who eats whom?: the role a species fills in the community ( functional niche")
