ENV100Y5 Study Guide - Final Guide: Selective Breeding, Interspecific Competition, Adaptive Radiation
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ENV100Y5 Full Course Notes
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> an ecosystem integrates the idea of systems thinking and is an approach as to how you think of an area. > negative feedback loops are more for things like density dependent, population regulation, stabilizing, etc. An example is a person who is in a bad mood and someone calms them down. > systems resists change and remains stable despite a disturbance. > an example of resistance, is being able to resist if someone pushes you and you don"t fall. > resilience is when a system changes in response to a disturbance, but later returns to its original state. > when we look at an ecosystem, we look at its: a) abiotic environment (water, soil minerals, atmospheric gases, etc), b) produces, c) consumers, d) decomposers. > succession is how ecosystems change over time: what two words have the same roots and come from the greek word okos? . > plants need sunlight, nutrients, water and co2.