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Most fish eggs develop outside of the body. There are however around 3% of all fish which fertilize internally.
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∙ 13y ago
Wiki User
∙ 14y agoexternal
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Do birds develop externally or internally?
Birds develop internally, which means inside the creatures body.
Do penguins fertilize externally or internally?
internally because they need time to hatch them
Are fish fertilized externally or internally?
External, as most fish do. The females release millions of eggs, some of which are fertilised by the released clouds of sperm from males that are swimming in tandem with the female. Then the eggs drift with the current for 13-15 hours until the larvae hatch.
What is the development of birds internal or external?
external - They develop externally in an egg.
How does a fish reproduce?
Many fish reproduce sexually. The male fish will insert a part of his body into the female fish in order to fertilize her eggs. In some cases, the male fish will spread semen on the eggs after they leave the body of the female.
Do reptiles develop internally or externally?
exernally
Does fertilisation take place internally or externally?
That depends on the species you are asking about, mammals fertilize internally and fish externally.
What does internally and externally mean?
fish and chips
Do birds develop externally or internally?
Birds develop internally, which means inside the creatures body.
Does a stickleback reproduce internally or externally?
External, like most fish.
A country which is independent both internally and externally?
Country which is independent both internally and externally
Does the flower reproduce internally or externally?
Externally.
Does a platypus fertilize internally or externally?
internally
Do monotremes reprodce internally or externally?
internally.
Do elephants fertilise internally or externally?
internally
Do tigers reproduce internally or externally?
internally
Do leeches reproduce externally or internally?
internally
