Let’s see how you did! If you didn’t get a few of these, don’t let it stress you out – it just means you need to play with more experiments in this area. We’re all works in progress, and we have our entire lifetime to puzzle together the mysteries of the universe!


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Answers:
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  1. Why is kelp not a plant? it does not have specialized cells
  2. What is produced in photosynthesis? energy for the plant to use and oxygen
  3. How does the cuticle help plants?  How does it hurt it? it keeps water in, but can prevent gas flow in photosynthesis
  4. Why are stomata necessary? to allow gas exchange during photosynthesis
  5. What is the different between xylem and phloem? xylem carries water and minerals; phloem carries sugars
  6. What does it mean if a seed is dormant? the plant is not growing out of it yet
  7. Why can’t nonvascular plants grow tall? they have no tissue to bring up water
  8. What group of plants do ferns belong to? vascular seedless plants
  9. What does it mean if a seed is “naked?” it has no fruit around it
  10. What structure do all angiosperms have? flowers
  11. What are the two generations all plants have? gametophyte and sporophyte
  12. What is one asexual way some nonvascular plants reproduce? fragmentation
  13. Why do seedless plants need to reproduce near water? the sperm must be able to swim to the egg
  14. Which generation is most important in vascular seedless plants? sporophyte
  15. Why do plants want to spread their seeds as far as possible? to increase changes of survival and reduce risk of competition amongst the offspring
  16. How does having fruit help plants? animals eating fruit help spread seeds
  17. Why do plants want insects to visit their flowers? to spread pollen
  18. Why do insects want to visit plants? to get nectar
  19. What types of things cause the release of hormones in plants? changes in temperature, a fruit being ripe, or a flower that has fully bloomed
  20. Name three things hormones control in plants. answers include make leaves fall, ripen fruit, make plants grow tall, promote cell division, slow aging, open the stomata

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