The external structures of the prokaryotic cell include a plasma membrane, cell wall, and capsule (or slime layer).
Sorry, I don’t know what your options would be, but I would say that the female reproductive organs are INTERNAL and the male reproductive organs are EXTERNAL
The factor that is most likely to have a density-independent influence on population growth is Extreme weather conditions.
Density-independent factors such as weather and climate, exert their influences on population size regardless of the population's density. Conversely, the effects of density-dependent factors intensify as the population increases in size.