Unlike sexual reproduction, asexual reproduction maintains which characteristic of the original cell?
a. size
b. shape
c. number of nuclei
d. number of chromosomes

As a result of these processes the single celled organism accomplishes

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?

In the controversial scientific process of cloning, organisms are created that are genetically identical to there parent. this process would be classified as