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Human Evolution: The Biology of Man

human evolution examples

The Story of Human Evolution

Before I write about the various wonders of the biological world I will answer a biological question common to us all: what is the story of human beings in the grand scheme of nature? What is the story of human evolution? We are aware that our species excels at communication, and is very adaptable through culture but it is rather hard to find a source that narrates our strengths and weaknesses as a creature of the Earth.

For the purpose of this post, I will avoid descriptions of each ancestral species leading up to humans but will instead summarize and emphasize the important characteristics (mutations) that are worth noting.

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Apoptosis: The Biological Recycling Protocol

Apoptosis depiction

,What is Apoptosis?

The most common idea of death involves an organism ceasing to exist as a functional entity. However, it is important to remember that for each macroscopic creature, there are billions to trillions of microscopic cells that allow the creature to survive. While death seems to mean an “end to all things” for us, the microscopic world begs to differ. At the cellular level, death is quite necessary. Cellular death can simply be considered a recycling of molecules in order to reduce energy organisms spend making them. We are talking about apoptosis.

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DNA Mutation: The Ultimate Elixir of Life

DNA Mutation Examples

DNA Mutations: What Are They?

Since the advent of life on Earth, the struggle for survival is the driving force of all biology. We have established the problems associated with maintaining complexity and various ways organisms regulate their responses to the environment. These developments are a result of the process we call evolution. It is time to describe exactly how evolution occurs. We know it is the result of cumulative changes in the characteristics in an organism. This is explained by differences in protein formation. However, we also know that DNA is the ultimate unit of life. DNA is the molecule that seeks to replicate and codes for proteins. Thus, this must be the level at which evolution takes place. It does this through a unique process: DNA mutation.

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