After reviewing the lecture notes and videos for week five, I was able to understand how hominin diversity has affected the evolution of humans. First, anthropologists study hominin traits that give us information about the history of our physical features and where humans can possibly be derived from. These professionals use sources by obtaining artifacts and fossils that are discovered within sediments and minerals inside the ground. However, they obtain important information about primates they use specialized tools to discover where humans originally came from millions of years ago. On the other hand, as I reviewed the lecture videos that discussed how hominin traits from multiple primates. I learned that there are specific hominin traits that can inform us about the modern human biology. The first trait is from a primate called “Paranthropus.” This species has specialized characteristics when they chew or grind their food. Paranthropus has small front teeth and large back teeth. On the other hand, humans have similar hominin traits to this primate. We typically have wisdom teeth located at the rear of our mouth. Also, since the location of the wisdom teeth is near the back and is a significant size, it usually overlaps the amount of space in our mouth when we grind down on food. However, when talking about traits we generally think about the physical aspect of the human body. A. Garhi is known for having features similar to genus Homo (Humans). In the lecture video, A. Garhi arms and leg length ratio nearly resembles the same size as humans. This information tells us about modern human biology that the variation in our population has been because of the evolvement of primates over time. Generally, most of the primates have more length of the arms in comparison to their legs, but there are alternative hominin traits supports the evolution of human biology. Lastly, our posture in the unique adjustment of our spinal cord is another feature that affects human biology. Especiall, Great Apes body size is relatively small in size and they typically have a curved spinal cord which makes them use their arms and legs to travel around. Now in humans, we only use our legs to get around from place to place. If we think about it, in the modern biology of animals. Someone may see Great Apes or Chimps use only their two legs when walking short distances, but when they run in farther distances. They use both their legs and arms. Now this specific hominin trait can affect human evolution. Furthermore, when I said that some primates use body parts to travel, which can predict that they usually climb trees in terrestrial wild-life. In contrast, when they walk on two legs mocking humans. Researchers can imply that this alternative life-style ability has helped Anthropologist learn and reconstruct our early ancestors from ages of years before us. However, when Anthropologist discovered fossilized skeletal remains, they examine the skeleton of the head. Commonly, most primates like chimps or apes have smaller brain size. Now some people may think that they have less intelligence, but that’s not necessarily a fact. In support, if anthropologists could search for earlier remains of the first humans that arrived here in this universe. It would be crucial to understand the evolving and adapting evolution of humans existence by studying the past.