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becaus of all the the bacteria creates nitrates which all plants need

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13y ago
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10y ago

because

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Q: Why do fertilization in reptiles and birds have to be internal?
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Related questions

Do reptiles have internal or external fertilization?

Reptiles ONLY have internal fertilization


In which vertebrates is fertilization exclusively internal?

Fertilization is internal in reptiles, birds, and mammals.


Where does fertilization take place in a reptile?

for reptiles it is internal fertilization and they can't do external fertilization


What fertiliztion does reptiles have?

Internal fertilization


Evidence indicates that birds are decended from where?

Like reptiles,birds have internal fertilization and lay eggs. So I think it is reptiles.Yeah try reptiles.GOOD LUCK!


Does an alligator have external or internal fertilization?

All reptiles are internal


How do reptiles usually reproduce?

internal fertilization


Why was internal fertilization necessary for reptiles?

Because.


What evidence is there that land animal mainly carry out internal fertilisation?

Birds, mammals and reptiles carry out internal fertilization. This is evidenced by the fact that the eggs are stored internally during fertilization. The egg develops inside of the mother.


Do penguins undergo internal fertilization?

Penguins are birds, so therefore they have internal fertilization.


What reptile has internal fertilization?

Since most reptiles have hard shells, it would be impossible to fertilize an egg after it is laid. Therefore most reptiles perform a sort of internal fertilization.


What animal group has internal fertilisation but external development?

Reptiles and birds are among the major groups of vertebrates that have internal fertilization and external development. Also included are monotremes and marsupials.