1 Plant cells Plant cells are different from animal cells. Plant cells are usually bigger than animal cells and they have a regular shape. They have a rigid cell wall around the membrane to strengthen the shape and structure of the plant. Plant cells also have special organelles called chloroplasts. They contain a green substance called chlorophyll to carry out photosynthesis. oBSERVE Look at the photos of cells seen through a microscope. Which ones are plant cells and which ones are animal cells? How can you tell? B e a Sc i e nt i s t ! A B TH I N K AB0UT IT ! Why are plants green? 7 ●○○ CoMPARE animal and plant cells. Copy and complete the diagram. Use these words: organelles cytoplasm chloroplasts nucleus cell membrane cell wall cell membrane cytoplasm cell wall organelle chloroplast nucleus The parts of a plant cell … … animal cell plant cell both word bank animal cell plant cell ... t h i r t e e n · 13
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