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The purpose of this lesson is to investigate familiar and unfamiliar ecosystems using Internet resources; to explore how various organisms satisfy their needs within their environments; to study the kinds of relationships that exist between organisms within an environment. (author)
The purpose of this lesson is to investigate familiar and unfamiliar ecosystems using Internet resources; to explore how various organisms satisfy their needs within their environments; to study the kinds of relationships that exist between organisms within an environment. (author)
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| Science Academic Content Standards |
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| Life Sciences |  |
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| Benchmarks (3 - 5) |
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| B. | Analyze plant and animal structures and functions needed for survival and describe the flow of energy through a system that all organisms use to survive. |
| C. | Compare changes in an organism's ecosystem/habitat that affect its survival. |
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| Grade Level Indicators (Grade 3) |
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| 2. | Relate animal structures to their specific survival functions (e.g., obtaining food, escaping or hiding from enemies). |
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| Grade Level Indicators (Grade 5) |
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| 4. | Summarize that organisms can survive only in ecosystems in which their needs can be met (e.g., food, water, shelter, air, carrying capacity and waste disposal). The world has different ecosystems and distinct ecosystems support the lives of different types of organisms. |
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| National Science Education Standards |
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| Life Science | |
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| The characteristics of organisms (Grades Kindergarten - 4) |
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| Organisms have basic needs. For example, animals need air, water, and food; plants require air, water, nutrients, and light. Organisms can survive only in environments in which their needs can be met. The world has many different environments, and distinct environments support the life of different types of organisms. |
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| Organisms and environments (Grades Kindergarten - 4) |
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| RESOURCE TYPE |
| Instructional Resource |
| PRACTICE LEVEL |
| Promising Practice |
| STANDARDS ALIGNMENT |
| 3 - 5 |
| TOPICS |
Science --
Life Science;
Diversity and Interdependence of Life;
Ecosystems;
Characteristics and Structures of Life;
Organisms (animals, plants, fungi, protists, bacteria) |
| KEYWORDS |
freshwater ecosystem;
Internet investigation;
pond;
stream;
lake;
wetland;
river |
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Publisher: American Association for the Advancement of Science
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