Fill in the blanks in the sentences below using words from the vocabulary section.

1. A tree’s roots go a long way underground.
2. A cat can sharpen its against the of a tree.
3. Most fruit trees in spring.
4. Plants will not unless they get enough water and light.
5. Flowers last longer in a vase if you crush the end of their .
6. A flower that is just about to open is called a .
7. Take care not to prick yourself. That plant has sharp .
8. If we pick up those , we can use them to start the fire.
9. use a kind of radar to find their way around.
10. move very, very slowly.