Anatomy is the study of functions of each body part called
<span>Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Basically one chromosome in the pair gets extra DNA.</span>
Mitosis, since it involves the process of splitting into two daughter cells.
Answer: Oceans, active volcanoes, an atmosphere, life, etc.
