NATURAL WORLD

3. to change something to suit different conditions or uses:
4. animal of which the female feeds her young on milk from her own body. Most mammals give birth to live young, not eggs: al
5. an animal that has died out
7. unusual or different to the usual
9. an expert who studies or works in one of the sciences
14. to damage something, esp. in a violent way, so that it can no longer be used or no longer exists:
15. admired by many people for your qualities or achievements
17. forest in a tropical area that receives a lot of rain
18. to harm or spoil something

1. used to refer to plants and animals that grow naturally in a place, and have not been brought there from somewhere else
2. causing damage or dangerous
5. relating to the natural world around us
6. having developed through a gradual process
8. to be, to be real
10. to put something into a place for the first time
11. a set of animals or plants in which the members are similar to each other
12. a species of plant or animal that may soon die out
13. small creatures like flys, bees or ants
16. one of the seven large land masses on the earth's surface, surrounded, or mainly surrounded, by sea