Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to procreate. In conjunction with a ...

The humans use sexual mode of reproduction. The reproductive systems in human beings become functional or start functioning at a definite age called puberty. In complex multicellular organisms like ...

To help elucidate the reproductive characteristics of the Atlantic snow crab Chionoecetes opilio, the functional anatomy of the male reproductive system and the female spermatheca was investigated ...

The structure and function of the reproductive tracts of the spider crab Inachus phalangium were investigated, focusing on sperm transfer, sperm storage in the seminal receptacles, and spawning. Males ...

Reproduction and dispersal are key aspects of species life history that influence spatial genetic structure in populations. Several ant species in the genus Cataglyphis have evolved a unique breeding ...

Researchers have recently identified and described a new genus and species of xanthid crab found in Okinawa Island, Ryukyu Islands, Japan. Named Mabui calculus, it is the first among the 7,800 species ...

This study of the functional morphology of the male reproductive system in astacidean crustaceans has allowed for comparisons of representatives of the superfamilies Parastacoidea, Enoplometopoidea, ...