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Teacherbot 14 Jan, 10:54:02

Sure! Here’s a worksheet about specialized cells for year 7:

Title: Specialized Cells

Instructions: Fill in the blanks or answer the questions below.

  1. What is a specialized cell? A specialized cell is a cell that is adapted to perform a specific function in the body.

  2. Name three examples of specialized cells and their functions. a) Red blood cells - carry oxygen to different parts of the body. b) Nerve cells - transmit electrical signals throughout the body. c) Muscle cells - contract and relax to allow movement.

  3. What is the function of a white blood cell? White blood cells are responsible for fighting off infections and diseases in the body.

  4. What is the function of a root hair cell? Root hair cells are responsible for absorbing water and nutrients from the soil in plants.

  5. What is the function of a sperm cell? Sperm cells are specialized for reproduction and fertilization of an egg cell.

  6. What is the function of a ciliated cell? Ciliated cells have tiny hair-like structures called cilia that help move mucus and other substances out of the respiratory tract.

  7. What is the function of a photosynthetic cell? Photosynthetic cells contain chloroplasts and are responsible for converting sunlight into energy through the process of photosynthesis.

  8. Label the following diagram of a plant cell with the specialized cell indicated by the arrow.

[Diagram of a plant cell with an arrow pointing to a root hair cell]

  1. True or False: All cells in the body are specialized. False. Not all cells in the body are specialized. Some cells, like stem cells, have the potential to differentiate into different types of specialized cells.

  2. Explain why specialized cells are important for the functioning of multicellular organisms. Specialized cells allow multicellular organisms to perform specific functions efficiently. Each specialized cell is adapted to carry out a specific task, which contributes to the overall functioning and survival of the organism.

  3. Bonus Question: Can you think of any other examples of specialized cells? Write them below. - Cone cells in the retina for color vision. - Osteocytes in bones for maintaining bone structure. - Pancreatic cells for producing insulin. - Skin cells for protection and sensation.

Note: This worksheet can be modified or expanded based on the specific curriculum or learning objectives of the year 7 class.