Unit 3 Lesson 1 What Are Some Plant Life Cycles? Copyright © Houghton Mifflin Harcourt Publishing Company

Unit 3 Lesson 1 What Are Some Plant Life Cycles? The Cycle of a Plant’s Life Copyright © Houghton Mifflin Harcourt Publishing Company Plants go through many stages in their lives. The stages an organism, or living thing, goes through during its life is its life cycle.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? The Cycle of a Plant’s Life Copyright © Houghton Mifflin Harcourt Publishing Company Most plants come from seeds. A seed germinates when it breaks open and a small plant grows out of it.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? Tiny roots begin to grow down the soil Copyright © Houghton Mifflin Harcourt Publishing Company

Unit 3 Lesson 1 What Are Some Plant Life Cycles? seedling A new plant or seedling is formed. Copyright © Houghton Mifflin Harcourt Publishing Company

Unit 3 Lesson 1 What Are Some Plant Life Cycles? Leaves begin to grow and the plant can make its own food. Copyright © Houghton Mifflin Harcourt Publishing Company

Unit 3 Lesson 1 What Are Some Plant Life Cycles? The Cycle of a Plant’s Life Copyright © Houghton Mifflin Harcourt Publishing Company The plant grows into an adult, which forms flower in some types of plants.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? The Cycle of a Plant’s Life Copyright © Houghton Mifflin Harcourt Publishing Company A flower is the part of some plants that enables them to reproduce, or make more plants similar to themselves.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? The Cycle of a Plant’s Life Copyright © Houghton Mifflin Harcourt Publishing Company A flower grows into fruits.

Unit 3 Lesson 2 How Do Plants Reproduce? Radish Life Cycle Copyright © Houghton Mifflin Harcourt Publishing Company Describe what happens at each stage in the radish’s life cycle.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? The Cycle of a Plant’s Life Copyright © Houghton Mifflin Harcourt Publishing Company Some plants make seeds without flowers. Their seeds form in cones.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? More and More Spores Copyright © Houghton Mifflin Harcourt Publishing Company Some plants do not make flowers, cones, or seeds. Instead, they reproduce with spores. Spores are also reproductive structures that grow into new plants.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? More and More Spores Copyright © Houghton Mifflin Harcourt Publishing Company Ferns are an example of a plant that forms spores. Spores will form on the underside of the leaves.

Unit 3 Lesson 1 What Are Some Plant Life Cycles? More and More Spores Copyright © Houghton Mifflin Harcourt Publishing Company Moss is another type of plant that reproduces using only spores.