Levels of Biological Organization Worksheets

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        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:
  • Worksheet Recently Updated
    Ecosystem Worksheet
    Published by NGSS Life Science. Free Lesson Plan (PDF)

    Lesson Plan (DOCX) & Answer Key with Membership
    High School Worksheet
    In this ecosystem worksheet, students are introduced to ecosystem stability and the factors that contribute to ecosystem stability. Students are also introduced to the different types of terrestrial ecosystems.
    NGSS Standard
    MS-LS2-2 (Interactions Across Multiple Ecosystems)
    MS-LS2-4 (Ecosystem Affect on Populations)
    Published by NGSS Life Science
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