11.   In areas with low rates of breast cancer, the Mus domesticus species is not found.

12.   Some spend practically all of their free time at it, hiking to remote locations or traveling worldwide to find elusive species.

13.   The fish, a freshwater, nocturnal species found in Africa and South America, produces a weak electric field around it.

14.   The newly-recognized algae species also was found in rivers in North Carolina and Maryland.

15.   The species is found in New England, but usually sticks to the backwoods of Vermont, New Hampshire, and Maine.

16.   They have proved extremely valuable in helping conservation biologists find new species and prove that rare or endangered ones have not become extinct.

17.   Waste Management is experimenting with trees, but it has not found a species that thrives in the brewing soil and has roots that will not pierce the liners.

18.   While biologists are perpetually finding new species, they can almost always fit the organism into one of the existing taxonomic pigeonholes by which scientists classify all life forms.

19.   Others have begun with large museum collections and the rate at which new species were being found.

20.   Down there, scientists hope to find new species of plants and animals, sunken ships, Indian artifacts and fossils of pygmy mammoths.