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Discuss human evolution
Human evolution short note
Discuss human evolution
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The Evolution of Humans The evolution of humans was (and is) a very important time. The first being of evolution was Australopithecus Afarensis or “Lucy”. Then we moved on to Homo erectus and Homo Neanderthal. When the weather got hotter, we were Homo Sapiens Sapiens and finally, the modern man. This evolution did not happen overnight. It took millions of years. The past is hardly forgotten, but the imminent is next. The future of evolution is being studied as well as the past. Most people were skeptical of the idea that humans are not a perfect species but scientists all over the globe have made some shocking discoveries. Now that humans have researched the past changes, we can assume the future of evolving humans. We can tell we are evolving because of some new factors. Some reasons are that- we are becoming more lactose tolerant (we can digest milk), our toes are getting shorter and we might not have as many in the future, our brains are shrinking due to lack of complete use (if you get what I mean), more and more people are having the recessive eye color of blue, and the gender...
Australopithecus afarensis who existed 3.5 million years ago and a 4.4 million year old skeleton of an Ardipithecus ramidus are the closest science has come to discovering the human lineage. Shattered Ancestry an article written by Katherine Harmon discusses the remains of two hominids found within Ethiopia. These skeletal remains have created a huge controversy within the topic of evolution questioning many assumptions that have been made referencing the human lineage. The skeleton of the Australopithecus afarensis was named Lucy and was discovered in 1974. The evidence of her walking upright on her two feet essentially guaranteed her a spot in the human lineage line. Lucy was a chimplike ape that was said to walk upright making scientists believe the human ancestry was simple. The complete skeleton found in Ethiopia of an Ardipithecus ramidus named Ardi completely changed all assumptions made from scientists about the complexity of the human lineage. These remains have encouraged researches that the human line is not the only lineage to have evolved but the chimpanzee line has undergone drastic changes as well. There are many traits that researchers have always directly linked to the human lineage however since these discoveries occurred researchers are reconsidering. The recent discoveries that have shattered what has always suggested what linked a species to the human lineage have changed the certainty of whether it is possible to confidently identify the human’s last common ancestor. Majority of scientist had forgotten that there would have been many hominid species living together at one time. New theories have been suggested since scientists revealed that the foot of a hominid found called the Burtele site was found ju...
years ” (Quimby 2), since this epoch involved the fundamental evolution of mankind to the present. It is important to
Human characteristics have evolved all throughout history and have been manipulated on a global scale through the use of science and technology. Genetic modification is one such process in which contemporary biotechnology techniques are employed to develop specific human characteristics. Despite this, there are a countless number of negative issues related with genetic modification including discrimination, ethical issues and corruption. Hence, genetic modification should not be used to enhance human characteristics.
Human advancement, otherwise called hominization, is the transformative procedure that prompted the development of anatomically modern humans, starting with the developmental history of primates – specifically variety Homo – and prompting the rise of Homo sapiens as a distinct species of the hominid family, the considerable gorillas. This evolutionary procedure was
In class we watch a clip called “Journey of Man” and basically the all over view of this movie was about a man named Spencer Wells and his team of scientist researching for approximately 15 years of investigating to find out our family history. They believe that they have discover some life changing information. They had this discovery for a while now but that needed time to gather up all of the facts from their research. This information that they have could transform our view on the world. They have revealed some type of time machine that has allow them to see back in ancient history. For that past ten years this man and his team have been using this time machine to gather all types of different information about the past history. This information came for just once source, blood. Many people views it as and gift from the past, but to scientist it carries the past and has a unique story behind it. A time machine hidden within us.
“The scientific study of how humans developed did not begin until the 1800s in Europe. Until that time, people relied on religious explanations of how humans came into existence. Starting in the 1500s a scientific revolution began to sweep Europe. Thinkers started using scientific methods and experiments to try to better understand the world and the creatures living in it. Eventually these methods were turned to the question of human origins” (The Nature Of Human Origins, 1). Earth made it possible for species to change over time because Ancient Earth provides ability to plenty of time.The Homo Sapien a is very complex creature. The species started off very simple by living in caves and surviving with little food and then later evolved into a species that were able to do many more complex things. The first species was Sahelanthropus tchadensis They were one of the most simple humans in that time period and on. They had very small skulls compared to Homo Sapiens today and their motor skills were just the same. We have evolved and changed for the better both mentally and physically. The Evolution of Homo Sapiens started off simple, such as the Neanderthals, and now we are the most advanced species to ever walk the planet so far.
...d to the switch for calorie and protein rich animal products. Soon followed the creation of the revolutionary element; fire which changed the road of human evolution drastically. Homo erectus could now greatly increase the calories gained from food while also keeping warm and protecting from predators of the night. These campfires also led the some of the earliest forms of social interaction among early humans. Besides campfire interactions, Homo erectus also formed a distinct form of hunting and gathering division of labor which is still evident in parts of the world today. Though it is Homo erectus’s great migration out of Africa that may have been responsible for most important role of human evolution. Which would have led to the dispersion of human ancestors around the globe and the formation of the nationalities that we as humans are so proud of today.
It's November 24, 1974 on a dig site of Hader, Ethiopia. Donald Johansson decided to take an alternative route back to their vehicle through a nearby gully and spotted a forearm bone. Very quickly he saw many other bones. Two weeks later he had assembled 40 percent of a human skeleton. However, do we know human evolution was real? I do not believe in human evolution because of gaps in human history, other animals going extinct, and theories of everything.
What evidence shows the changing from the early hominids to the modern humans? Throughout the human evolution body parts like legs and harms have changed for the better. By the early hominids being biped, meaning they are able to stand and even walk on two feet, it helped them to be able to do more things like getting around more and help with their tool making and hunting. A lot of the fossils discovered were found in the Great Rift Valley in East Africa, which contained many different lakes and small rivers. For many years researchers have been finding new species. These species have been named Australopithicus, robust australopithecines , Orrorin tugenensis, Homo habilis, Homo erectus, neanderthal, and Homo sapiens. These early hominids and modern humans really show off how the features and behaviors have really changed in time.
Are we still evolving? How do humans and apes share a common ancestor? Modern human species or Homo sapiens have shown great similarities in the physical and genetic makeup to another group primates species, the apes. Both organisms share a common ancestor dating back eight to six million years ago. Evolution means change over time. Human evolution is the process by which humans have emerged from apelike ancestors. Through sequences of mutations, genetic drift, migration, and natural selection and technology we are able to observe the amazing amount of similarities and diversity of humans to other living organisms. Humans have roamed the earth for about six million years. At least, that is from when the oldest human ancestor was discovered.
Author Yuval Noah Harari has a unique way of reviewing the past fourteen billion years in his monograph Sapiens: A Brief History of Humankind. His intention for writing this book is mainly to bring up the conversation of the human condition and how it has affected the course of history. In this case, the human condition coincides with the inevitable by-products of human existence. These include life, death, and all the emotional experiences in between. Harari is trying to determine how and why the events that have occurred throughout the lives of Homo Sapiens have molded our social structures, the natural environment we inhabit, and our values and beliefs into what they are today.
Modern humans have been on this planet, for approximately 200,000 years, while our ancestors have been around for about six million years. “...and the ancestors of modern humans may have survived because of traits such as large brains that helped them adapt to unstable, shifting landscapes...”
Nearly, six million years ago, humans evolved from apelike ancestors. Today, Genetic Engineering has tried to modify the DNA and evolve a superior human race, devoid of disease, increased life span and much more resilient and robust than before.
Evolution is the complexity of processes by which living organisms established on earth and have been expanded and modified through theorized changes in form and function. Human evolution is the biological and cultural development of the species Homo sapiens sapiens, or human beings. Humans evolved from apes because of their similarities. This can be shown in the evidence that humans had a decrease in the size of the face and teeth that evolved. Early humans are classified in ten different types of families.
Without evolution, and the constant ever changing environment, the complexity of living organisms would not be as it is. Evolution is defined as a process that results in heritable changes in a population spread over many generations (8).Scientists believe in the theory of evolution. This belief is based on scientific evidence that corroborates the theory of evolution. In Figure 1 the pictures of the skulls depict the sequence of the evolution of Homo-sapiens. As the figure shows, man has evolved from our common ancestor that is shared by homo-sapiens. The change of diet of homo-sapiens over time has thought to contribute to the change in jaw structure and overall skull shape.