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Leaves and Photosynthesis

Week 8-Life Science

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Leaves

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Draw a leaf…

How big is it?

Does it have points?

Did it come off a tree? A bush? A flower?

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Draw another leaf

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Leaf function

The main plant part responsible for turning sunlight into food through photosynthesis. So they…

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  • Absorb sunlight
  • Let out oxygen and bring in carbon dioxide
  • Let out water/water vapor

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Not all leaves are the same

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Leaf structure

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Photosynthesis

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Seed Card Sort

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Seed Dispersal

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Why Seeds?

Plant Reproduction

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A “care package” for baby plants

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Trees drop LOTS of Seeds

Why?

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In order to survive, seedlings must compete with their parents for…

Sunlight

Nutrients

Water

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In your notebook, write down all the ways seeds use to disperse…

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How do the following

seeds disperse?

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Tickseed Sunflower

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Chinese Elm

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Willow Acacia

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Filaree

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Cranberries and Coconuts

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Root and Stem Anatomy

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Purpose of the Roots

  1. Get water
  2. Provide support
  3. Store Food

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Mycorrhizae:

fungi that grows with plant roots

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Mycorrhizae

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Stems

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Pine Sapling

(Gymnosperm)

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Linden Tree

(Angiosperm)