BU-105 Ecology

Unit · year 1

BU-105 · Ecology

Threads systems · energy26 lectures5 concepts

How organisms interact with each other and their environment.

PREREQUISITES

L01	Levels of Ecological Organisation —
L02	Abiotic and Biotic Factors —
L03	Producers, Consumers, and Decomposers Trophic levels and energy flow
L04	Food Chains and Food Webs Trophic levels and energy flow
L05	Trophic Levels and Energy Flow Trophic levels and energy flow
L06	Ecological Efficiency and the 10% Rule Trophic levels and energy flow
L07	Ecological Pyramids Trophic levels and energy flow
L08	Primary Productivity Trophic levels and energy flow
L09	The Carbon Cycle Biogeochemical cycles
L10	The Nitrogen Cycle Biogeochemical cycles
L11	The Phosphorus and Water Cycles Biogeochemical cycles
L12	Human Disruption of Nutrient Cycles Biogeochemical cycles
L13	Population Size and Density —
L14	Exponential Growth Logistic population growth
L15	Carrying Capacity Logistic population growth
L16	The Logistic Growth Model Logistic population growth
L17	Density-Dependent and Independent Regulation Logistic population growth
L18	The Ecological Niche Competition and the niche
L19	Interspecific Competition Competition and the niche
L20	The Competitive Exclusion Principle Competition and the niche
L21	Resource Partitioning and Character Displacement Competition and the niche
L22	Predation and Its Effects Predator-prey dynamics
L23	The Lotka–Volterra Model Predator-prey dynamics
L24	Predator–Prey Cycles in Nature Predator-prey dynamics
L25	Symbiosis: Mutualism, Commensalism, Parasitism —
L26	Synthesis: Energy, Matter, and Interaction Trophic levels and energy flow, Biogeochemical cycles

Energy dissipates as it passes up a food chain.

Growth slows as a population nears carrying capacity.

Two species cannot occupy the same niche indefinitely.

Coupled cycles of predator and prey abundance.

How carbon and nitrogen move through ecosystems.