1. Copulation occurs around day seven in the trachea or bronchi after which the female grows rapidly.

2. For Darwin, mate choice simply stopped at copulation.

3. The black widow kills her mate immediately after copulation.

4. Copulation is no more rank to me than death is.

5. Deterministic behavior models on copulation, spawning and environmental selection of artificial fish are built.

6. Adults are active in daytime and copulation tookplace from evening to next early morning.

7. He then made the action of copulation and broke the big stone.

8. In other groups, the dominant male gets most of the matings, and the other males are allowed an occasional copulation.

9. EastEnders has occasional specials in which two people, nearly always women, talk about birth or copulation or death.

10. Browning found there was a lack of corroborating evidence to support the oral copulation offense, according Fox.

11. Females often try to escape from the alpha male's vigilance, and will go up to the beta male and solicit copulation.

12. Objective: To establish Liaoning and Guangdong laboratory populations of An. Anthropophagus and to observe their biological characteristics. Methods: Artificial copulation was used for raproduction.

13. The purpose was to search the change level of reproductive hormones in cage-fed female Crab-eating Macaque after copulation in Guangxi.

14. During intercourse, female short-nosed fruit bats lick the genitals of their partner, a possible ploy to increase copulation time.

15. The grass grows and the horse is ruttish , how reasonable the natural is in turn. The copulation in mule market has become the common thing.

16. The cloaca is the all-purpose body cavity that reptiles and birds use for copulation, urination, and defecation.

17. Tests show that spermatophore is not produced by the male during copulation.

18. Bonobos go the furthest in same - sex bonding with regular copulation among males.

19. A posterior extension on each of the pelvic fins of male elasmobranch fishes that aids in the transmission of sperm during copulation.

20. Many male animals, including short-nosed fruit bats, lick their genitals after copulation, and in some species this has been shown to reduce the incidence of such diseases.

21. The writer chained for life to the routine of a wage slave and the ritual of copulation.

22. The writer chained for life the routine of a wage slave and the ritual of copulation.

23. The reproductive system has a complex innervation concerned in copulation and oviposition.