Answer: it represents the different lives before us and how the head shaped changed over time. (To me it looks like different species of monkeys and or creatures leading up to humans head shape)
Explanation: hope this is helpful :))
In a broad range of terrestrial environments, microorganisms are the key decomposers of organic matter and release nutrients in the soil for plant growth as well as CO2 and CH4 into the atmosphere.
<h3>hope it helps.</h3><h3>stay safe healthy and happy.</h3>
A. Releasing a stimulus when hormones increase or decrease I think
Through mitosis is the way the body duplicates.
