Cell Adaptation To know how animal and plant cells are adapted for different functions D. Crowley, 2007.

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Cell Adaptation To know how animal and plant cells are adapted for different functions D. Crowley, 2007

All Animal Cells look the same Animal cells may look different but they all have a nucleus The cells of different animal cells are always different Some animal cells look different because they need to do a special job

Recap What parts of a cell are found within animal cells and plant cells? Animal cells: - Nucleus Cell membrane Cytoplasm Plant cells: - All of the above + Cell wall Vacuole Chloroplasts

Specialised Cells Consider the root hair cell: It is “suited” to its job of taking in water and nutrients in 2 ways: It has a large surface area It has a thin cell membrane The sperm cell is another example of a specialised cell: Strong tail for swimming Vacuole containing enzymes

Animal Cells * Make the drawings as clear, and accurate as possible Cell Diagram Function Specialisation Red blood cells To carry oxygen Large surface area for oxygen Haemoglobin which binds the oxygen Nerve cell To carry nerve impulses to different parts of the body Long Connections at each end Can carry electrical signals Female reproductive cell To join with a male cell, and then to provide food for the new cell that has formed Large Contains a large amount of cytoplasm Male reproductive cell To reach the female cell in order to join with it Long tail for swimming Head which is able to penetrate the female cell * Make the drawings as clear, and accurate as possible

Plant Cells Plant Cell Cell Diagram Function Specialisation Root hair cell To absorb water and minerals Large surface area Leaf cell To absorb sunlight (needed for photosynthesis) Many chloroplasts (containing chlorophyll, needed for photosynthesis)

Summary Finally, complete the worksheet, matching the pictures with the cell name, as well as its function…