Sexual reproduction
Sexual reproduction is also known as parthenogenesis, is the animal or plant eggs, not through the fertilization process, and the development of separate generations of reproductive methods, different from asexual reproduction. Sexual reproduction occurs generally in a variety of plants and invertebrates, but there are also some vertebrates such as some reptiles (such as the hook and snake, red-tailed anaconda, Comodo lizard, faltering tiger, new Mexican whip ), In some special birds and shark species (such as narrow head hammerhead shark, striped bark shark, black side fins shark) will also appear. Such as Daphnia, Bee, Dandelion and some Wo, these phenomena as "natural sexuality", artificial stimulation of non-fertilized egg development, as "artificial single sexual reproduction", has been tested silkworm, frog, tomato and other successful For sexual reproduction, can completely retain the parent traits. Sexual reproduction of the offspring if all male, known as the "male male sexual reproduction", such as the bee breeding male bee, is a male male reproductive; if the offspring is full of female, known as "female sexual reproduction" , Such as summer aphid breeding, breeding of new Mexican whip lizards. ...