Levels of Biological Organization Worksheets

Neuron Synapse
        Levels of biological organization worksheets and heirachy of biology lesson plans that are designed for high school, middle school, and elementary school life science teachers. NGSS Life Science offers many great science lessons. Click the Free Lesson Plan (PDF) link below or become a member to get access to the answer key and editable file. Free levels of biological organization curriculum includes:
Human Kidney


Biological Organization Concepts

  • Biosphere - Planet Earth.
  • Ecosystem - Biomes, biotic and abiotic factors.
  • Community - Multiple populations of species.
  • Population - Many indiviudals of one species.
  • Organism - One living being, a species: bacteria, microorganism, fungi, animal, plant.
  • Organ System - Nervous system, endocrine system, excretory system, muscular system, skeletal system, circulatory system, immune systen, lymphatic system, reproducitve system, digestive system, integumentary system.
  • Tissue - epithelial tissue, muscle tissue (smooth muscle, cardiac muscle, skeletal muscle), nervous tissue, connective tissue (bone tissue, adipose tissue, cartilage tissue, bone tissue, blood).
  • Cell - eukaryotic animal cell, eukaryotic plant cell, prokaryotic cell.


Lessons Organized by NGSS Standard