ENV100Y5 Study Guide - Final Guide: Selective Breeding, Interspecific Competition, Adaptive Radiation

47 views4 pages
27 Mar 2016
School
Department
Course
yifanyang and 39662 others unlocked
ENV100Y5 Full Course Notes
69
ENV100Y5 Full Course Notes
Verified Note
69 documents

Document Summary

> 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.