Mississippi Science L.3.4.4

Science3rd GradeLife Science

The Standard

L.3.4
Students will demonstrate an understanding of how adaptations allow animals to satisfy life needs and respond both physically and behaviorally to their environment.
Define and improve a solution to a problem created by environmental changes and any resulting impacts on the types of density and distribution of plant and animal populations living in the environment (e.g., replanting sea oats in coastal areas or developing or preserving wildlife corridors and green belts). Use an engineering design process to define the problem, design, construct, evaluate, and improve the environment. *

2026 Mississippi College- and Career-Readiness Standards for Science · Adaptation and Diversity

Teacher's field guide

What This Standard Means

What Students Need to Do

Students use maps to see how a change, such as beach erosion, affects how many plants and animals live in an area and where they live. They define a problem, build and test a model solution, then improve it.

What Mastery Looks Like

A student can compare equal-sized map sections to show where sea oats became less common and where shorebirds moved. They can test a planting pattern, use the results to change it, and explain how it could help.

Common Misconceptions

Students may count dots on a whole map instead of comparing equal-sized areas when judging crowding. They may think birds stay put when nesting plants disappear, or assume a planting works without testing it.

How to Assess It

Give students before-and-after erosion maps with sea oat and shorebird dots in equal-sized squares. Ask which square has fewer plants, where birds moved, and what they would test and change in a planting plan.

Lesson moves

Ways to Teach It

  1. Place two sand trays in a clear bin, plant pipe-cleaner sea oats in one, fan both, compare blown sand, shift stems, and retest.

  2. Ask, “If sea oats vanish from this beach map, where could shorebirds nest, and which section now has fewer birds?”

  3. Give pairs before-and-after beach maps to tally sea oats and shorebirds in equal-sized squares, then mark where each population moved.

  4. Show a photo of a dune walkway, then ask students to sketch a rope path that keeps feet off sea oats.

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Printable L.3.4.4 Worksheet

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