Lesson Plan: Animal Life Cycles Science • 3rd Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to describe the stages common to all life cycles and identify the similarities and differences between different animal life cycles.


Students will be able to

  • define a life cycle,
  • describe the different stages common to all animal life cycles as life beginning, growth, maturity, and reproduction,
  • identify similarities and differences in the life cycles of different animals,
  • describe metamorphosis as a change in shape that occurs in most insects and amphibians,
  • recognize that most mammals are born alive and are not hatched from eggs,
  • recognize that animals such as insects, birds, amphibians, reptiles, fish, and birds develop in an egg outside their mother’s body before they are hatched.


Students should already be familiar with

  • the different types of animals, for example, reptiles, amphibians, birds, and mammals,
  • reproduction as a life process by which animals have offspring.


Students will not cover

  • genetics and heredity,
  • reproductive parts of animals.

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