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The hemipenis is the intromittent organ of Squamata, [4] which is the second largest order of vertebrates with over 9,000 species distributed around the world. They differ from the intromittent organs of most other amniotes such as mammals, archosaurs and turtles that have a single genital tubercle, as squamates have the paired genitalia remaining separate. [5]
A form of asexual reproduction related to parthenogenesis is gynogenesis. Here, offspring are produced by the same mechanism as in parthenogenesis, but with the requirement that the egg merely be stimulated by the presence of sperm in order to develop. However, the sperm cell does not contribute any genetic material to the offspring.
Egg protection on dry land. [23] While oviparous animals either have a jelly like ovum or a hard shell enclosing their egg, internally fertilizing animals grow their eggs and offspring inside themselves. This offers protection from predators and from dehydration on land. [24]
The species is ovoviviparous, giving birth to young that grow within the body of the mother, enclosed within the egg membrane. They may be capable of delayed fertilization ; ( parthenogenesis is rare but not unknown in snakes) as a female in the London zoo kept in isolation from August, 1885 gave birth in August, 1888.
The species does not hiss in the usual manner at all. Both species typically have well-defined V-shaped markings on the head and neck, but in C. rhombeatus the marking extends forward on the head, whereas in D. scabra it is mainly on the neck. Furthermore, the two species also may be distinguished by the shape of the pupil of the eye.
The eggs are usually laid in dark and humid areas. They are rarely laid on the snake where the adult mites are found. Eggs hatch in one day in ideal conditions. After hatching, the young mites go through the larval stage, which takes about one or two days. The larvae tend to move very little away from the eggs, despite having the ability to walk.
It was when the 13-foot, 9-inch snake lunged to bite that he got a grip on her head and pulled the snake from the nest. Multiple egg “squirted out” during the capture, the video shows.
After they lay their eggs, females typically incubate them until they hatch. This is achieved by causing the muscles to "shiver", which raises the temperature of the body to a certain degree, and thus that of the eggs. Keeping the eggs at a constant temperature is essential for healthy embryo development.