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ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
ChapB1.2
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ChapB1.2

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Parts of an Ecosystem

Parts of an Ecosystem

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  • 1. Parts of Ecosystems Living Parts of Ecosystems
  • 2. <ul><li>Ecosystem: groups of living things and the environment they live in </li></ul><ul><ul><li>All living things can meet their basic needs in their ecosystems </li></ul></ul><ul><li>some ecosystems only have a few living things </li></ul><ul><ul><li>insects and small plants in a concrete parking lot environment </li></ul></ul>
  • 3. <ul><ul><li>forests, ponds, and streams have many living things </li></ul></ul><ul><ul><ul><li>these environments have more space, food and shelter so that many animals and plants can meet all their basic needs </li></ul></ul></ul>
  • 4. Populations <ul><li>a group of the same species living in the same place at the same time </li></ul><ul><ul><li>forest have many different tree populations </li></ul></ul><ul><ul><li>trout is one fish population in a stream </li></ul></ul><ul><ul><li>deer is one animal population in a meadow </li></ul></ul>
  • 5. <ul><li>populations live in the environment to which they are adapted </li></ul><ul><li>organisms that live in difficult environments must have unusual adaptations </li></ul><ul><ul><li>estuary has salt and fresh water </li></ul></ul><ul><ul><li>Mangrove trees have roots and leaves that get rid of salt </li></ul></ul>
  • 6. <ul><li>ecosystems are named after the main population of plants that live there </li></ul><ul><ul><li>estuaries that have mostly mangrove trees are called mangrove swamps </li></ul></ul><ul><ul><ul><li>swamp: an area that is sometimes or always covered in shallow water </li></ul></ul></ul>
  • 7. Communities <ul><li>plants of the main population are where other organisms interact </li></ul><ul><ul><li>Mangrove branches hang over the water and attract insects looking for food/shelter </li></ul></ul><ul><ul><li>schools (groups) of archerfish live among the roots </li></ul></ul><ul><ul><ul><li>they shoot water above the water trying to knock insects off the branches - then eats them </li></ul></ul></ul><ul><ul><li>flock of lesser blue herons feed on fish, frogs, and other animals in or near the shallow water at the roots of the tree </li></ul></ul>
  • 8. <ul><ul><li>the plants need animals to carry away seeds and to add nutrients to the soil </li></ul></ul><ul><ul><li>mangrove roots provide shelter for fish to swim and reproduce </li></ul></ul>
  • 9. Nonliving Parts of an Ecosystem <ul><li>nonliving parts of an ecosystem: sunlight, soil, water, air, and temperature </li></ul><ul><ul><li>nonliving parts interact </li></ul></ul><ul><ul><ul><li>Ex. water moving soil from place to place </li></ul></ul></ul><ul><ul><li>nonliving and living parts interact </li></ul></ul><ul><ul><ul><li>salt water (nonliving) and mangrove trees (living) - mangrove trees must filter out the salt in the water and other plants cannot do that </li></ul></ul></ul>
  • 10. Summary <ul><li>ecosystem made up of groups of living things and their environment </li></ul><ul><li>Ecosystem includes plants and animals, living and nonliving parts </li></ul><ul><ul><li>nonliving: sunlight, soil, air, water, and temperature </li></ul></ul><ul><li>organisms of the same species form populations </li></ul><ul><li>communities are formed from different populations </li></ul>
  • 11. <ul><li>community: made up of all populations that live in the same area </li></ul><ul><ul><li>plants and animals live together and depend on one another to survive </li></ul></ul>

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