The answer is biological evolution.
The theory of biological evolution explains how organisms evolved during the time. It explains how the characteristics of different species changed over generations. According to the theory, most of current species developed from some distinctly different species that have lived a long time ago.
Answer:
an element is a pure substance which can not be spilt into simpler substances by chemical means
Explanation:
examples hydrogen, oxygen, copper
<span> white blood cells tend to have a higher surface to volume ratio then other cells because the are more amorphous</span>
Meiosis - the cells divide to produce 4 haploid cells
