internal
Stingrays reproduce using internal fertilization. They are known to give life birth in the ocean to many infant stingrays at a time.
4 internal and 4 external angles
Internal and External influences of a business there are many. Internal means things that the business can control.
There are many internal and external factors that affect child development. One internal factor is the genetic makeup of the child.
7 internal and 7 external
There are many different internal organs with many different functions but they basically keep the body functioning properly. The external organs' main job is to protect the body.
Like all reptile rattlesnakes use internal fertilization. The only vertebrates that use external fertilization are many fish and amphibians.
There are many differences between external and internal marital arts. One difference is that external marital arts focuses on the physical abilities while internal martial arts focuses on the Chi energy of a person.
A duck leech, or any leech in the subclass Hirudinea, is an aquatic worm and does not have parents in the traditional sense. Leeches reproduce through a process called sexual reproduction, where two leeches exchange sperm. After mating, they lay eggs in cocoons, which then hatch into juvenile leeches. Thus, a duck leech has two biological contributors to its genetic makeup, but they do not provide care like typical parents.
external fertilisation. some of them reproduce by internal fertilisation. the male ejects sperm out of its reproductive organ. the female ejects its ova through its reproductive organ. both of them meet in the water as they float by. there are chances of many water animals of the same species having the same father as more sperm is given out.
External sound cards are generally used in situations where internal cards cannot be used -- laptops in particular. Some external cards also offer more inputs and controls than many internal cards.
Because internal fertilization requires a womb and placenta to protect and nourish the growing embryos - which limits the number of offspring the mother can produce. Laying eggs outside the body means the female can potentially produce many more off-spring, and thus vastly increase the chances of the species survival.