¿A través de cuáles mecanismos se produce el cambio de las especies en el tiempo?

Need a picture to do this

The arrangements of lipids in the membrane makes the cell semi permeable .

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11