NATURAL SCIENCE. UNIT 3 PLANTS

 UNIT 3. PLANTS. 

Diagram 1. Plant Classification

Summary 2. Leaves, Stem and roots.

Summary 3. Plant nutrition and respiration

• During photosynthesis:

  • Plants provide oxygen for all living organisms.

  • Plants consume carbón dioxide.

  • Plants transform wáter and minerals into food.

  • Respiration:

    • During the day: Plants use the oxygen they produce during photosynthesis and release the extra oxygen.

    • At ninght: Plants absorb more oxygen and release more carbon dioxide.