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Q: What are the advantages of internal over external fertilization in humans?
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What are the some disadvantages of external fertilization?

It depends. Are you talking about humans? 8D Humans use internal fertilization but the disadvantages in external fertilization is that a small number of eggs survive.


Is a rabbit has external of internal fertilization?

internal same like humans


Do pandas fertilize internal or external?

they have external fertilization , PS i learned it in science :P zz this is all wrong...it does NOT use exernal fertilization...external fertilazation is for fish and stuf,but internal is for humans and mamals.


Do butterflies have internal skeletons or external skeletons?

Butterflies reproduce by internal fertilization and not by external fertilization. Butterflies, like most insects, will then lay the eggs and wait for them to hatch.


What are the differences between internal fertilization and external fertilization?

Internal fertilization is where the egg is fertilized inside the body(such as humans) and external fertilaztion is where the an egg is laid and then fertilized. Such as in fishes!


Does a dog reproduce with internal or external fertilization?

Internal. Dogs mate through copulation and internal fertilisation, like all mammals (including humans).


Are polar bears internal or external fertilization?

they have external fertilization , PS i learned it in science :P zz this is all wrong...it does NOT use exernal fertilization...external fertilazation is for fish and stuf,but internal is for humans and mamals.


Do humans have internal or external?

Internal.


What is the difference between internal fertilization and-external fertilation?

External takes place outside the female, as with fish eggs on which the male fish places his sperm. Internal fertilization, in plants and animals, takes place within the organism's structures, where the gametes are joined. In humans, in vitro fertilization (i.e. test tube babies) is a form of external fertilization in that it bypasses the normal occurrence in the fallopian tubes, and then directly implants the fertilized egg(s) in the uterus.


Animals that undergo external fertilization?

Animals like reptiles (ex. snakes, turtles), birds, sharks, and mammals (ex. humans) undergo internal fertilization.Animals like some fish (ex. salmon), hydra, coral, sea urchins, amphibians (ex. frogs) undergo external fertilization.


Do humans use external or internal digestion?

external digestion..........


Which marine animals have internal fertilization development?

HUMANS!!!!!!!!!!!!!!