Starter Label the 4 main organs on this

Starter: Label the 4 main organs on this plant.

Plants • In the same way as animal have organs so do plants. • The four main organs are: – Flowers – Leaves – Stem – Roots

Competition in plants By the end of this lesson I will be able to: • List factors that plants compete for • Describe what happens to a plant species if these resources are scarce • Explain how nutrient deficiencies affects a plants growth

Competition in plants • How many competitions can you think of? • What do you think plants compete for?

Competition in plants Plants will compete for: Light – so they can make their own food Water – needed for photosynthesis Nutrients – the right minerals to keep them healthy Space – To grow and reproduce If they do have to compete, only the fittest will survive!

Plants • In order to grow from a seed and to keep their organs functioning, they need nutrients – just like us!

What do plants need to grow? • Fill out the information in the table in summarised notes. • You will need to pick out the key facts and decide where the go. • Collect the information from the posters around the room. • You only need to take your pen and your table with you!

Plant mineral deficiency This is a plant suffering from potassium deficiency How can you tell?

Can you identify what is wrong with these plants? 2 3 1 Lack of nitrogen Lack of sulphur Lack of magnesium

Can you identify what is wrong with these plants? 5 6 4 Lack of iron Lack of phosphorus Lack of calcium