It can be caused by mutation, random mating, random fertilization, and recombination.
Hope this helps :)
cannot breathe, is not a living organism, doesn't grow doesn't move
Answer: facilitate the transport of substances across a cell membrane.
Explanation:
Couples who cohabit are characterized by a lower level of commitment when
compared to married couples. Cohabiting couples are two people who live
together but are not married. The form of relationship between the two people
is a loose relationship because it does not have a legal binding and they are
free to separate at any time.
