1. These two types of dog can interbreed/be interbred .

2. Since the birds interbreed they cannot be classed as different species.

3. Did they trade, make war, interbreed?

4. Fish of different shape are already reluctant to interbreed.

5. Although they can be prevailed upon to interbreed in captivity, they never do so in the wild.

6. Gray moths still could interbreed with black moths, proving that they belonged to the same species.

7. To mate so as to produce a hybrid; interbreed.

8. These species do not interbreed.

9. Because the fish are so closely related and interbreed in the laboratory, geneticists can map the genes involved in the reduction of the stickleback pelvis.

10. Of the few species that do have the opportunity to interbreed, none do so frequently.

11. Theoretically, as we have seen, a species is a form which can not interbreed successfully with any other.

12. They were rare , and the pure - strain wild turkeys had begun to interbreed with farmers domestic stock.

12. is a sentence dictionary, on which you can find nice sentences for a large number of words.

13. As humans push farther into the wild bird's South Asian habitat, the chickens they bring with them interbreed with jungle fowl, polluting their genomes.

14. Coyotes (another species in the genus Canis) have expanded east and begun to interbreed with C. lycaon.

15. It enables scientists to transfer genes between different species that would not interbreed in nature.