B. Shifting their growing range towards the equator
B... These microbes are the foundation for life in hydrothermal vent ecosystems. Instead of using light energy to turn carbon dioxide into sugar like plants do, they harvest chemical energy from the minerals and chemical compounds that spew from the vents—a process known as chemosynthesis . (I got this off the web hope it helps)
The correct answer is macrophage.
<span>The macrophage is a type of white blood cells with phagocyte activity which means its main function is to “eat” foreign particles such as bacteria. A macrophage has the ability to locate those particles (viruses, parasites, fungi, bacteria) and do the cleanup.</span>