Externally. They lay eggs instead of incubating
add. But in New Zealand we have some small skinks (McCann's skinks) that bear live young. This may be an adaptation to cold climate at altitude.
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∙ 13y agoReptiles ONLY have internal fertilization
VERY INTERNAL
internal fertilization
All reptiles are internal
internal
internal
Dinosaurs were reptiles and like all reptiles, use internal fertilization.
externally
they use external fertilization.
No external fertilization is not present in the common house fly. House flies reproduce via sexual reproduction and internal fertilization.
external sexual
Reptiles and birds are among the major groups of vertebrates that have internal fertilization and external development. Also included are monotremes and marsupials.