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Subject Area - 4:
Environment and Ecology
  • Standard Area - 4.1: Ecology
  • Grade Level - 4.1.4: GRADE 4
Standard - 4.1.4.A

Explain how living things are dependent upon other living and nonliving things for survival. 

  • Explain what happens to an organism when its food supply, access to water, shelter or space (niche / habitat) is changed.
  • Identify similarities and differences between living organisms, ranging from single-celled to multi-cellular organisms through the use of microscopes, video, and other media.
  • Assessment Anchor - BIO.A.1

    Basic Biological Principles

    • Anchor Descriptor - BIO.A.1.1

      Explain the characteristics common to all organisms.

    • Anchor Descriptor - BIO.A.1.2

      Describe relationships between structure and function at biological levels of organization.

  • Assessment Anchor - S4.A.3

    Systems, Models, and Patterns

    • Anchor Descriptor - S4.A.3.1 Identify systems and describe relationships among parts of a familiar system (e.g., digestive system, simple machines, water cycle).
      • Eligible Content - S4.A.3.1.1 Categorize systems as either natural or human-made (e.g., ballpoint pens, simple electrical circuits, plant anatomy, water cycle).
    • Anchor Descriptor - S4.A.3.2 Use models to illustrate simple concepts and compare the models to what they represent.
      • Eligible Content - S4.A.3.2.1 Identify what different models represent (e.g., maps show physical features, directions, distances; globes represent Earth; drawings of watersheds depict terrain; dioramas show ecosystems; concept maps show relationships of ideas).
      • Eligible Content - S4.A.3.2.2 Use models to make observations to explain how systems work (e.g., water cycle, Sun-Earth-Moon system).
      • Eligible Content - S4.A.3.2.3 Use appropriate, simple modeling tools and techniques to describe or illustrate a system (e.g., two cans and string to model a communications system, terrarium to model an ecosystem).
    • Anchor Descriptor - S4.A.3.3 Identify and make observations about patterns that regularly occur and reoccur in nature
      • Eligible Content - S4.A.3.3.1 Identify and describe observable patterns (e.g., growth patterns in plants, weather, water cycle).
  • Assessment Anchor - S4.B.1

    Structure and Function of Organisms

    • Anchor Descriptor - S4.B.1.1 Identify and describe similarities and differences between living things and their life processes.
      • Eligible Content - S4.B.1.1.1 Identify life processes of living things (e.g., growth, digestion, respiration).
      • Eligible Content - S4.B.1.1.2 Compare similar functions of external characteristics of organisms (e.g., anatomical characteristics: appendages, type of covering, body segments).
      • Eligible Content - S4.B.1.1.3 Describe basic needs of plants and animals (e.g., air, water, food).
      • Eligible Content - S4.B.1.1.4 Describe how different parts of a living thing work together to provide what the organism needs (e.g., parts of plants: roots, stems, leaves).
      • Eligible Content - S4.B.1.1.5 Describe the life cycles of different organisms (e.g., moth, grasshopper, frog, seed-producing plant).
  • Assessment Anchor - S4.B.3

    Ecological Behavior and Systems

    • Anchor Descriptor - S4.B.3.1 Identify and describe living and nonliving things in the environment and their interaction.
      • Eligible Content - S4.B.3.1.1 Describe the living and nonliving components of a local ecosystem (e.g., lentic and lotic systems, forest, cornfield, grasslands, city park, playground).
      • Eligible Content - S4.B.3.1.2 Describe interactions between living and nonliving components (e.g. plants – water, soil, sunlight, carbon dioxide, temperature; animals – food, water, shelter, oxygen, temperature) of a local ecosystem.
    • Anchor Descriptor - S4.B.3.2 Describe, explain, and predict change in natural or human-made systems and the possible effects of those changes on the environment.
      • Eligible Content - S4.B.3.2.1 Describe what happens to a living thing when its habitat is changed.
      • Eligible Content - S4.B.3.2.2 Describe and predict how changes in the environment (e.g., fire, pollution, flood, building dams) can affect systems.
      • Eligible Content - S4.B.3.2.3 Explain and predict how changes in seasons affect plants, animals, or daily human life (e.g., food availability, shelter, mobility).
    • Anchor Descriptor - S4.B.3.3 Identify and describe human reliance on the environment at the individual or the community level.
      • Eligible Content - S4.B.3.3.1 Identify everyday human activities (e.g., driving, washing, eating, manufacturing, farming) within a community that depend on the natural environment.
      • Eligible Content - S4.B.3.3.2 Describe the human dependence on the food and fiber systems from production to consumption (e.g., food, clothing, shelter, products).
      • Eligible Content - S4.B.3.3.3 Identify biological pests (e.g., fungi – molds, plants – foxtail, purple loosestrife, Eurasian water milfoil; animals – aphides, ticks, zebra mussels, starlings, mice) that compete with humans for resources.
      • Eligible Content - S4.B.3.3.4 Identify major land uses in the urban, suburban and rural communities (e.g., housing, commercial, recreation).
      • Eligible Content - S4.B.3.3.5 Describe the effects of pollution (e.g., litter) in the community.
  • Assessment Anchor - S4.C.2

    Forms, Sources, Conversion, and Transfer of Energy

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