Answer:
This process is called metabolism
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Un planeta cuya órbita se encuentra fuera del cinturón de asteroides se llama planeta exterior.
Ejemplos: Júpiter, Saturno, Urano y Neptuno
A sperm makes its way down the Fallopian tube and burrows itself into the egg