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The Grade Level Benchmarks are indicators of what students should know and be able to do at each grade. Supporting Information and Instructional Strategies can be viewed by selecting a highlighted grade level. Asterisks indicate how often a benchmark appears on the ITBS/ITED: *(1-2 questions) **(3-5 questions) or *** (more than 5 questions).
Life Sciences: Interval Benchmarks Grades K-4
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| Standard 1: |
| Knows about the diversity and unity that characterize life | |
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| Standard 2: |
| Understands the genetic basis for the transfer of biological characteristics from one generation to the next | |
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| Standard 3: |
| Knows the general structure and functions of cells in organisms | |
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| Standard 4: |
| Understands how species depend on one another and on the environment for survival | |
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| Standard 5: |
| Understands the cycling of matter and flow of energy through the living environment | |
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| Standard 6: |
| Understands the basic concepts of the evolution of the species | |
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For schools using the Iowa Tests of Basic Skills (ITBS) or the Iowa Tests of Educational Development (ITED) to assess grade level skills, a key has been provided to assist in selecting essential or core skills. Benchmarks assessed on the ITBS/ITED are indicated. Asterisks indicate how often a benchmark appears on the ITBS/ITED: *(1-2 questions) **(3-5 questions) or *** (more than 5 questions).
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