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ORGANISM AND POPULATION CLASS 11TH NEET BIOLOGY HANDWRITTEN NOYES

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Notes Name- ORGANISM AND POPULATION
Subject – Biology
Class – 11th
Total Pages: 30 Pages
Total Size: 5 MB
File Format: PDF (Portable Document Format)
Language of the Notes: English
Format: PDF (Portable Document Format)
Notes Type: Handwritten Notes

Description

Here is a concise outline of the key topics covered in the chapter “Organisms and Populations” for Class 11 Biology, important for NEET preparation:

  1. Introduction
    • Definition and scope of ecology
    • Levels of biological organization (organism, population, community, ecosystem, biome, biosphere)
  2. Organism and Its Environment
    • Major abiotic factors (temperature, water, light, soil)
    • Responses to abiotic factors (conformers, regulators, migration, hibernation, aestivation)
  3. Adaptations
    • Behavioral adaptations
    • Physiological adaptations
    • Morphological adaptations
  4. Population Ecology
    • Definition and characteristics of a population
    • Population attributes (birth rate, death rate, sex ratio, age distribution)
    • Population density
  5. Population Growth
    • Exponential growth (J-shaped curve)
    • Logistic growth (S-shaped curve)
    • Carrying capacity
    • Growth models
  6. Life History Variations
    • r-selected species
    • K-selected species
  7. Population Interactions
    • Types of interactions:
      • Mutualism
      • Competition
      • Predation
      • Parasitism
      • Commensalism
      • Amensalism
  8. Examples of Population Interactions
    • Predator-prey relationships
    • Parasite-host relationships
    • Plant-pollinator interactions
  9. Population Regulation
    • Density-dependent factors
    • Density-independent factors

These topics cover the essential aspects of organisms and populations, crucial for understanding ecological relationships and dynamics, and preparing for NEET Biology

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