Natural selection means that the organisms better adapted to their environment, that is, they have developed the right characteristics/skills/response to the external ambient, have higher chance to survive, making the next generations genetically inherit such acquired surviving characteristics.
These generations will thus have a higher chance of survival, making these species being "naturally selected" as survivors, while those who haven't or are slower in this process, have a higher risk of elimination.
Cell membrane is like doors and windows!!
if you know how; comment !
That instant ... typically some moment on june 21 or 22 ... marks
the beginning of the northern hemisphere Summer.
