Organisms and Populations : Organisms & Population Lecture - 2

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