3.
4 Worksheet: Level of Organisation of Living Things
Part A: Matching (5 marks)
Match each term with the correct definition. Write the correct letter next to each number.
1. __ Cell A. A group of organs that work together
2. __ Tissue B. The smallest living unit
3. __ Organ C. A group of cells with a similar function
4. __ Organ System D. A complete living being
5. __ Organism E. A structure made of different tissues
Part B: Fill in the blanks (6 marks)
Use these words: xylem, circulatory, heart, nerve, photosynthesis, protection
1. The ____________ is an organ made of muscle, blood, and nerve tissue.
2. ____________ tissue in plants helps transport water.
3. The ____________ system moves blood around the body.
4. The palisade mesophyll in plants is used for ____________.
5. The epidermis in plants provides ____________.
6. ____________ tissue in humans carries messages in the body.
Part C: Diagram Labeling (4 marks)
Label the diagram below with the correct levels of organisation in order:
→ ____________ → ____________→ ____________→ ____________→ ____________
(Choose from: tissue, system, cell, organ, organism)
Part D: True or False (5 marks)
Write “True” or “False” next to each sentence.
1. ______ All tissues are made up of one type of cell.
2. ______ The human stomach is made of just one tissue.
3. ______ The brain is an organ.
4. ______ Plant stems contain only one type of tissue.
5. ______ An organ system is a part of one organ.
Part E: Short Answer Questions (5 marks)
1. What is the function of muscle tissue in humans?
2. Give one example of a plant organ.
3. Name two systems found in the human body.
4. Why do cells in multicellular organisms need to work together?
5. What is one benefit of having different levels of organisation in the body?