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Habitats and Ecosystems

This objective focuses on the interconnections between habitats, communities, populations, and ecosystems. We explore what a habitat is and the essentials for survival, such as food, water, and space. By considering the long-term impacts of meeting our needs, like food sourcing from supermarkets or farms, we delve into populations of specific species, such as lions in the savannah, and broader communities composed of multiple species. We will examine a lizard's habitat, labeling its biotic and abiotic factors while illustrating the relationships that form an ecosystem.

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Habitats and Ecosystems

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  1. Habitats and Ecosystems Objective: To discuss how a habitat, community, population and ecosystem relate to each other.

  2. Thinking about your habitat... • What is a habitat? • What are the basic things that everyone needs for survival? • Think about the things that make up your habitat. • How are your needs met? • How much space do you use? • What about the longer-reaching impacts of meeting your needs (e.g. Food – from a supermarket – from a farm).

  3. Population and Community Population Community • A group of organisms of the same species that live in the same habitat. • Example: A population of lions inhabit the savannah desert. • A community is composed of two or more populations (species) that have a specific role in the area where they live. • Communities of plants, animals, and other organisms that may be found in the desert are grass, shrubs, lions, zebras, hyenas, etc.

  4. Drawing an ecosystem • Copy the diagram for the habitat of a lizard. • Label the three main requirements of a habitat. • Complete the drawing to form an ecosystem. • Label the biotic (living) and abiotic (non-living) factors. • Label the community, population and ecosystem that exist in the diagram.

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