1.   All life is interdependent on the natural environment, from the smallest bacteria to the largest animal or plant - even man.

2.   And it will take other research sites to predict the effects on natural environments rather than well-tended farmland.

3.   But are they on a par with their natural environment?

4.   Current methods of farming are damaging the natural environment.

5.   Eva was back in her natural environment.

6.   However, in a natural environment a sustained response is fairly unambiguous and must indicate upward movement.

7.   I find it a more natural environment.

8.   It was fascinating to see the elephants in their natural environment.