There are multiple reasons. 1) there are similar fossils found on different continents. 2) the continents shapes show that they could easily fit together. 3) there are similar rocks, minerals,and land forms on different continents. 4) there's evidence that there was once lush vegetation in areas with extreme cold.
I think the correct answer from the choices listed above is option C. Over a period of years, most likely, i<span>ndividuals that are well suited to the environment reproduce, and those that have lesser adaptations die before they reproduce. Hope this answers the question.</span>
Answer: option A - Nucleus
Explanation:
The Nucleus is a membrane-bound organelle. It has nuclear membrane, which consists of nuclear pores (made up of proteins) through which substances enter or leave the cell (RNA, proteins, etc)
B. meiosis. This process randomly rearranges the pairs of homologous chromosomes in formation of the sex cells. In addition, there is crossing-over of the chromatids while the homologous chromosomes are synapsed during meiosis I.
It's a form of diffusion.. it would be hypertonic solution moving into hypotonic cell to balance concentrations