11.   To determine our mating system we need to know our natural habitat and our past.

12.   Today, hunting is no longer allowed and tourists visit these national parks to view and photograph the wildlife in their natural habitats.

13.   I hope through the Earthwatch programme to assist in preserving natural habitats, saving endangered species of this planet and promoting and preserving the cultures of different tribes.

14.   The Tanzanian government bas designated the Serengeti a national park, in an effort to protect the animals and conserve their natural habitat.

15.   You will have a super day out at any one of these, seeing many interesting birds, some very rare, in their natural habitats.

16.   The latter could be related to the impairment, by NSAID, of the gastric nucus layer, which is considered the natural habitat of H pylori organisms.

17.   The heath is both a site of special scientific interest and an endangered natural habitat under the Berne Convention.

18.   Some, however, are believed to be original natural habitats.

19.   After years of debate, EC environment ministers have reached agreement on legislation to conserve natural habitats.