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6. What are cells which have yet to differentiate?

  • Basic cells
  • Stem cells
  • Undifferentiated

7. Plants often get eating by animals, this is why..

  • They need to continue to grow throughout their life to replace eaten parts
  • They can stop growing after a certain amount of time

8. The specialisation of cells to make them suitable for their purpose is called

  • Adaptation
  • Differentiation
  • Specialisation

9. Which stem cells are slightly more useful because they have a greater power of differentiation?

  • Embryos
  • Bone marow

10. Which is suited to growing for a time, then stopping to use energy for other purposes? (e.g. movement)

  • Animals
  • Plants

11. Which is not an example of stem cells?

  • In the growing points (meristems) of plants
  • Skin tissue
  • Certain adult tissues (e.g. bone marrow)
  • Embryos

12. ____________ have very simple main requirement - light and water - so growing at certain points allows them to concentrate on ways to do this

  • Plants
  • Animals

13. Which describes an animal, not a plant?

  • All regions of the body grow
  • Growth is restricted to special growing points called meristems (mainly the tip of the roots and shoots)

14. Which tends to grow a certain size then stop growing?

  • Animals
  • Plants

15. Animals have a greater variety of organs and tissues than plants so..

  • Growing all over makes sure these grow in conjunction with each other
  • Growing from certain points means that these can continue to work together

16. Which describes a plant, not an animal?

  • Growth is restricted to special growing points called meristems (mainly the tip of the roots and shoots)
  • All regions of the body grow

17. What is a zygote?

  • Fertilised egg
  • Cell
  • Animal

18. Which use of stem cells could be useful to potential cure human conditions but comes with ethical issues and the right to life?

  • Embryos
  • Bone marrow