Ecology : Organisms & Populations Brief Revision (Crash Course)

Organisms & Populations Brief Revision (Crash Course)

Explained: Organisms & Populations Brief Revision

Organisms & Populations Lecture - 20 (Part - 2)

Explained: Exponential growth curve, Logistic growth curve, Carrying capacity, Equations related to population

Organisms & Populations Lecture - 20 (Part - 1)

Explained: Population growth, Factors affecting population, Exponential population growth

Organisms & Populations Lecture - 19

Explained: Population attributes, Properties that a population have, Birth rate and Death rate, Sex ratio, Age pyramid and its importance, Population trends, Population density: Absolute & Relative, How to analyze a very big population?

Organisms & Populations Lecture - 18

Explained: Commensalism, Examples of Commensalism, Mutualism, Examples of Mutualism, Pseudo copulation

Organisms & Populations Lecture - 17

Explained: Parasitism, Parasitic adaptations, Ecto-parasite & Endo-parasite, Co-evolution of parasites, Brood parasitism

Organisms & Populations Lecture - 16

Explained: Darwinism & Competition, Competition in evolution, Competition as a broader phenomenon, Competitive exclusion, Interference competition, Exploitation competition, Resource partitioning, Niche breadth & Niche overlap

Organisms & Populations Lecture - 15

Explained: Biological interactions, Predation, Role of predation in nature, Biodiversity & Predation, Competition & Predation

Organisms & Populations Lecture - 14

Explained: Biological interactions, Type of biological interactions

Organisms & Populations Lecture - 13 (Extra Stroke)

Explained: Important points for NEET/ AIIMS / JIPMER, Ecad / Ecophene, Ecological equivalents, Ecotone, Trophic niche, Character displacement, Competitive exclusion, Sympatric & Allopatric, Guild, Ecological equivalents

Organisms & Populations Lecture - 12

Explained: Important Concepts of Ecology: Mimicry, Mimetic colors, Types of mimicry, Batesonian mimicry, Mullerian mimicry, Camouflage, Warning coloration

Organisms & Populations Lecture - 11

Explained: Adaptations, How does it work?, Allen's rule, Burgman's rule, Ecotypes, Phenotype plasticity

Organisms & Populations Lecture - 10

Explained: Range of Tolerance, Acclimatization, Organism's choice for changing conditions, Why adaptation is important?

Organisms & Populations Lecture - 9

Explained: Fire as an environmental factor & its impact, Abiotic stresses on organisms, Ways to survive in changing conditions, Regulator, Conformers, Partial regulators, Migration, Suspension, Escape the time, Hibernation & Aestivation, Diapause

Organisms & Populations Lecture - 8

Explained: What are the edaphic factors?, Edaphology / Pedology, Pedogenesis, Withering of Rocks, Soil particles & Soil types, Alluvial, Colluvial & Eolian soil, Humus formation & Mineralization, Detrivores & Decomposers, Soil types in different biomes, Soil profile, Soil erosion, Conservation of soil

Organisms & Populations Lecture - 7

Explained: Topographic factors, Altitude of mountains & Environmen, The steepness of the slope of the mountain, Exposure of mountain, The direction of mountain chains

Organisms & Populations Lecture - 6

Explained: Effect of Wind velocity, Shelterbelts, Rainfall & Role of water, Humidity & Precipitations, Impact of the hydrological cycle on the life

Organisms & Populations Lecture - 5

Explained: Importance of Temperature in Ecology, Effect of Temperature on Plants & Animals, Range of tolerance, Confirmers & Regulators, Thermal stratification in lakes, Spring & Autumn turnover & phytoplankton growth

Organisms & Populations Lecture - 4

Explained: Environmental factors, Atmosphere and life, Light in ecology, Sun as a source of energy, Light as an environmental factor

Organisms & Populations Lecture - 3

Explained: Concept of Micro-climate, Habitat, Ecological Niche, Realized niche & Fundamental niche, Biomes - Simplified triangle concept

Organisms & Population Lecture - 2

Explained: Spatial scale in ecology, Timescale in Ecology, Weather & Climate, Biomes on the basis of temperature & Precipitation, Extreme Climates, Earth & seasonal variations, Basic concepts of Environment

Organisms & Populations Lecture - 1

Explained: What is ecology?, Divisions of Ecology, Level of Organisation in Ecology, Types of Synecology Biosphere Physical environment Landscape Biome Why is ecosystem important What is the biological community What role organism play in the environment Basic concepts of Ecology

Ecosystem Lecture - 27

Explained: Nutrient cycling, Carbon cycle, Phosphorus cycle, Ecological services

Ecosystem Lecture - 26

Explained: Ecological succession, Parameters of Succession, Trends of Succession, Types of succession, Steps of primary succession, Secondary succession, Succession & Human impact, Pioneer community & Climax community Seral community, Keystone species

Ecosystem Lecture - 25

Explained: Ecological pyramids, Pyramid of Number, Pyramid of Biomass, Pyramid of Energy, Limitations of Ecological pyramids, Inverted pyramids, Why the energy pyramid is always upright?

Ecosystem Lecture - 24

Explained: Human trophic level related doubt, Productivity in Ecosystem, Primary productivity - GPP & NPP, Secondary productivity, Productivity is a rate function, Productivity comparison, Why marine productivity is less as compared to land?

Ecosystem Lecture - 23

Explained: Energy flow in Ecosystem, Trophic levels & Food chain, Food web & its importance, Lindman's 10% law, Grazing food chain, Detritus food chains, Bioenergetics

Lecture - 2

Explained: Components of Ecosystem, Standing state & Standing crop, Biomass & Factor, Trophic structure & Trophic level, Ecosystem interconnections, Decomposition process, Biological equilibrium

Ecosystem Lecture - 1

Explained: Ecosystem, Components of Ecosystem, Ecosystem aspects, Ecosystem characteristics, Ecosystem functional aspects

Biodiversity & Conservation Brief Revision (Crash Course)

Explained: Biodiversity & Conservation Brief Revision

Biodiversity (Part - 6) Lecture - 6

Explained: Reasons to save biodiversity, Narrow utilitarian criteria, Broad utilitarian criteria, Ethical criteria, How to save biodiversity?, Insitu conservation, Ex-situ conservation

Biodiversity (Part - 5) Lecture - 5

Explained: Evil quartet, Habitat fragmentation & loss, Over-exploitation, Alien species invasion, Co-extinction

Biodiversity (Part - 4 ) Lecture 4

Explained: Significance of Biodiversity, River popper hypothesis, Biodiversity and Mankind, Effects of biodiversity loss, Biodiversity loss and extinction, Man activities and its environmental impact

Biodiversity (Part - 3) Lecture - 3

Explained: Species richness, Species diversity, Species evenness, Species-area relationship, Regression coefficient, Y - intercept in the curve, Factors affecting species-area relationship

Biodiversity (Part - 2) Lecture - 2

Explained: Spectrum of biodiversity, Latitudinal gradient, Biodiversity - amazing data

Biodiversity (Part - 1) Lecture - 1

Explained: Meaning of Biodiversity, Types of Biodiversity, Genetic diversity, Species diversity, Ecosystem diversity, The range of diversity on earth

Environmental Issues Brief Revision (Crash Course)

Explained: Environmental Issues Brief Revision

Environmental Issues Lecture - 2

Explained: Water Pollution, Biomagnification, Solid waste, Other pollution , Remedies for Pollution reduction

Environmental Issues Lecture - 1

Explained: Pollution, Pollutants, Air Pollution, Noise Pollution, Remedies to reduce air pollution, Delhi Case study