Every Child A Seed Lesson 2
Copyright © 2013 National Parks Board Parts of a Seed Seed coat Cotyledon (seed leaf) Radicle Plumule Protects the seed Provides food for the seed Grows to become the shoot Grows to become roots
Copyright © 2013 National Parks Board Rearrange the pictures according to the correct stages of growth A B C DE
Copyright © 2013 National Parks Board Rearrange the pictures according to the correct stages of growth E B C D A
Copyright © 2013 National Parks Board The story of a seed... Seeds produced in the fruit are d_ _ _ersed when they mature. They remain inactive until conditions are right for growth and germination takes place.
Copyright © 2013 National Parks Board The story of a seed... Seeds produced in the fruit are dispersed when they mature. They remain inactive until conditions are right for growth and germination takes place.
Copyright © 2013 National Parks Board The process whereby a seed sprouts and grows into a s_ _dling is called germination. What is Germination?
Copyright © 2013 National Parks Board The process whereby a seed sprouts and grows into a seedling is called germination. What is Germination?
Copyright © 2013 National Parks Board Factors for Seed Germination 1. Oxygen Living things need oxygen to survive. A seed needs oxygen to germinate. Oxygen in found in spaces in the soil. *Note that seeds should not be buried too deeply within the soil for oxygen to be available. Oxygen
Copyright © 2013 National Parks Board Factors for Seed Germination 2. Water Food stored in the seed leaves help the seed to grow. As the seed grows, water is needed to break the seed coat. The root helps to anchor the seed and absorb minerals and water from the soil. Give the optimum amount of water. (Too much water can cause the root to rot and too little water limits the seed’s growth.)
Copyright © 2013 National Parks Board Factors for Seed Germination 3. Warmth Seeds generally germinate within a t_ _ _ _ _ _ _ure range. *Note that many seeds germinate at t_ _ _ _ _ _ _ures between 16 and 24 degree celsius.
Copyright © 2013 National Parks Board Factors for Seed Germination 3. Warmth Seeds generally germinate within a temperature range. *Note that many seeds germinate at temperatures between 16 and 24 degrees Celsius.