Herbivores, Carnivores, Omnivores


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The lesson introduces students to the difference between herbivores, carnivores, and omnivores, the characteristics of their teeth, and examples of animals for each category.  Most students are aware that animals have different kinds of diets but may not know the scientific term for each of the diets.  The lesson may be used in conjunction with other lessons related to animals.

Herbivores, Carnivores, Omnivores Lesson Plan Includes:

  • Herbivores, Carnivores, Omnivores content pages
  • Activity page
  • Practice page, Homework page
  • Answer Key
  • Common Core Standards
  • Many Additional Links and Resources
  • Built for Grades 1-3 but can be adapted for other grade levels.

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The lesson introduces students to the differences between herbivores, carnivores, and omnivores. Each term is defined with examples of animals that fit into each category. The lesson also spends time discussing the differences in the teeth of herbivores, carnivores, and omnivores. The lesson may be used in conjunction with other lessons related to animals.

Sample Classroom Procedure/Teacher Resources:

  1. Display an image of a carnivore, herbivore, and omnivore. Ask students to name differences between each of the animals.
  2. Allow for responses and discussion. Many students will not think about the foods the animals eat and may need some hints.  Ask students:  What kinds of foods do each of the animals eat?  Why do they have different diets?
  3. Allow for responses and discussion. Introduce Herbivores, Carnivores, Omnivores to the class.
  4. Distribute Herbivores, Carnivores, Omnivores content pages. Read and review the information with the students.  Ask and discuss with students if an animal’s diet may change over time and why.  Save the final question for the lesson closing.  Use the additional resources to enhance understanding.
  5. Distribute Activity page. Read and review the instructions.  Pair students, distribute scissors and a container.  Allow students to play the game several times, switching partners.
  6. Once completed, students may choose several of the animals and draw pictures of each animal, identifying its diet type on the poster.
  7. Students share posters with the class.
  8. Distribute Practice page. For the second part, some descriptions may include more than one response.  Check and review the students’ responses.
  9. Distribute the Homework page. The next day, check and review the students’ responses.
  10. In closing, ask students: Most humans are omnivores, but if you had to become an herbivore or carnivore for the remainder of your life, which would you choose to be and why?

Common Core State Standards:




Class Sessions (45 minutes): At least 2 class sessions

Additional Resources:

Want more science resources? Check out our other Science Lesson Plans!

Additional information

Grade Level

1st Grade, 2nd Grade, 3rd Grade



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Casey W.

Amazing Lesson

I have 2 children that are 2 grades apart and this lesson was an amazing learning tool for me with joined lessons!! Thank you so much for this lesson