Mississippi Science L.3.2.1

Science3rd GradeLife Science

The Standard

L.3.2
Students will demonstrate an understanding that through reproduction, the survival and physical features of plants and animals are inherited traits from parent organisms but can also be influenced by the environment.
Identify traits and describe how traits are passed from parent organism(s) to offspring in plants and animals.

2026 Mississippi College- and Career-Readiness Standards for Science · Reproduction and Heredity

Teacher's field guide

What This Standard Means

What Students Need to Do

Students name visible traits in plants and animals, such as leaf shape or fur color. They compare parents and offspring and explain that offspring can inherit traits from their parents.

What Mastery Looks Like

Given photos of a parent cat and its kittens, a student names a shared trait and a difference. They can explain why the kittens might inherit fur color but not a torn ear.

Common Misconceptions

Students may expect every offspring to look exactly like its parent. They may think a clipped leaf can be inherited, or that plants do not have parents because they grow from seeds.

How to Assess It

Show photos of a parent cat and its kitten, plus a parent bean plant and its grown offspring. Ask students to circle one shared trait in each pair and explain whether a clipped leaf is inherited.

Lesson moves

Ways to Teach It

  1. Give pairs labeled photos of parent cats and kittens and parent bean plants with grown offspring; have them mark shared traits with sticky dots.

  2. Ask students to write why a puppy might inherit curly fur from a parent but not its torn ear.

  3. Play inherited or acquired with cards labeled fur color, leaf shape, cut fur, and torn leaf; students sort and explain their choices.

  4. Show a tomato seed packet and ask what traits plants grown from those seeds might share with their parent plants.

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Printable L.3.2.1 Worksheet

Preview of the L.3.2.1 printable worksheet

A ready-to-print activity worksheet aligned to L.3.2.1, with an answer key for the teacher on its own page. No account needed.

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