9.1 WHAT DO WE KNOW ABOUT PLANTS?

Question 1

What are the importances of plants?

Answer 1

1. Plants take in carbon dioxide from the atmosphere and produces oxygen
2. Plants are producers for food chains & food webs all over the world
3. Plant crops are the source of food for humans and animals
4. Plants are used for medicines, clothing, building, and biofuels

Question 2

What are the functions of roots?

Answer 2

• Anchor the plant in the ground
• Draws water and mineral nutrients from soil

Question 3

What are the functions of stems?

Answer 3

• Support the leaves, flower, and fruit

Question 4

What are the functions of leaves?

Answer 4

• Contains green pigment chlorophyll
• Captures light energy from the Sun & converts it into chemical energy
• Produces carbohydrates through photosynthesis

Question 5

What are the functions of flowers?

Answer 5

• Reproductive structure of plants
• Form seeds and fruit
• Only appear at certain times in the life cycle of a plant