becaus of all the the bacteria creates nitrates which all plants need
because
Reptiles ONLY have internal fertilization
Fertilization is internal in reptiles, birds, and mammals.
for reptiles it is internal fertilization and they can't do external fertilization
Internal fertilization
Like reptiles,birds have internal fertilization and lay eggs. So I think it is reptiles.Yeah try reptiles.GOOD LUCK!
All reptiles are internal
internal fertilization
Because.
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.
Penguins are birds, so therefore they have 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.
Reptiles and birds are among the major groups of vertebrates that have internal fertilization and external development. Also included are monotremes and marsupials.