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Standard 3.0 Life Science: The students will use scientific skills and processes to explain the dynamic nature of living things, their interactions, and the results from the interactions that occur over time.
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A. Diversity of Life
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1. Compare and explain how external features of plants and animals help them survive in different environments.
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a. Use the senses and magnifying instruments to examine a variety of plants and animals to describe external features and what they do.
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b. Compare similar features in some animals and plants and explain how each of these enables the organism to satisfy basic needs.
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c. Use the information collected to ask and compare answers to questions about how an organism's external features contribute to its ability to survive in an environment.
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d. Classify organisms according to one selected feature, such as body covering, and identify other similarities shared by organisms within each group formed.
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B. Cells
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1. Describe evidence from investigations that living things are made of parts too small to be seen with the unaided eye.
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a. Use magnifying instruments to observe parts of a variety of living things, such as leaves, seeds, insects, worms, etc. to describe (drawing or text) parts seen with the magnifier.
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b. Use information gathered from observations to compare the descriptions (drawings or text) of the different parts seen.
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c. Describe some of the ideas or questions that might result from examining organisms more closely.
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2. Provide evidence that all organisms are made of parts that help them carry out the basic functions of life.
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a. Gather information and direct evidence that humans and other animals have different body parts used to seek, find, and take in food.
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b. Investigate and identify parts of the body that alert humans and other animals to danger and help them to fight, hide or get out of danger.
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c. Describe some parts of plants and describe what they do for the plant.
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d. Respond, giving reasons to support the response, to the statement "All living things are made of parts."
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C. Genetics
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1. Explain that there are differences among individuals in any population.
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a. Examine a variety of populations of plants and animals (including humans), to identify ways that individual members of that population are different from one another.
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b. Make a list of possible advantages and disadvantages of differences of individuals in a population of organisms.
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2. Recognize that all living things have offspring, usually with two parents involved.
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a. Examine a variety of living things and their offspring and describe what each parent and offspring looks like.
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b. Identify similarities and differences among the offspring and between the offspring and each parent.
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c. Based on observations, construct an appropriate response to the question "Are parents and offspring more similar than they are different?"
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D. Evolution
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E. Flow of Matter and Energy
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1. Describe some of the ways in which animals depend on plants and on each other.
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a. Examine organisms in a wide variety of environments to gather information on how animals satisfy their need for food.
- Some animals eat only plants
- Some animals eat only other animals
- Some animals eat both plants and other animals
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F. Ecology
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