Science 7 · Unit 4: Grouping and identifying organisms · Cambridge Lower Secondary Science Stage 7

Questions

1. 1. How many characteristics of living organisms are there?

   • 10
   • 3
   • 7
   • 5
   Check

2. 2. Which characteristic of living organisms is this? Feeding, taking in materials from the environment for energy and growth.

   • growth
   • respiration
   • excretion
   • nutrition
   Check

3. 3. Which characteristic of living organisms is this? Breaking down nutrients to release energy.

   • respiration
   • excretion
   • nutrition
   • breathing
   Check

4. 4. Which characteristic of living organisms is this? Getting rid of waste materials.

   • excretion
   • respiration
   • nutrition
   • reproduction
   Check

5. 5. Which characteristic of living organisms is this? Making new individuals of the same kind of organism.

   • nutrition
   • reproduction
   • sensitivity
   • growth
   Check

6. 6. Which characteristic of living organisms is this? Getting bigger.

   • growth
   • nutrition
   • movement
   • reproduction
   Check

7. 7. Which characteristic of living organisms is this? Detecting changes in the environment.

   • sensitivity
   • excretion
   • movement
   • respiration
   Check

8. 8. Which characteristic of living organisms is this? Changing the position of part or all of the body.

   • movement
   • growth
   • sensitivity
   • excretion
   Check

9. 9. What is sensitivity?

   • being easily upset
   • releasing energy from food
   • being able to sense and respond to stimuli
   • getting bigger
   Check

10. 10. What is respiration?

    • a chemical reaction in all living cells that releases energy from food
    • breathing in and out
    • getting rid of waste
    • making food from sunlight
    Check

11. 11. What is excretion?

    • taking in food
    • detecting changes in the environment
    • getting rid of waste products made by chemical reactions in the body's cells
    • making new individuals
    Check

12. 12. What does "growth" mean for a living organism?

    • a permanent increase in size
    • any increase in size, such as a balloon blowing up
    • making new individuals
    • taking in food
    Check

13. 13. Plants don't eat food the way animals do. How do plants carry out nutrition?

    • by eating soil
    • by respiration
    • by photosynthesis
    • by excretion
    Check

14. 14. An apple, a seed and an elephant are all alive. Does a seed show all the characteristics of living things all the time?

    • No, some only when it starts to grow.
    • Yes, a seed always shows all seven.
    • No, because a seed is not alive.
    • Yes, but only at night.
    Check

15. 15. True or false: Every living organism shows all seven characteristics at every moment.

    • True
    • False
    Check