0
The question is too broad. Every single little facet of our physiology, anatomy, overall morphology, behaviour and our genes has been shaped and reshaped by genetic drift, natural selection, sexual selection over the past three billion years. Mankind has been working on an understanding of these factors and this history for 150 years, and we're nowhere near having a complete picture of even the single clade of hominids, let alone everything in else in our ancestry. How did we lose our hair? How did we lose our tails? How did we develop bipedality? How did we get such big brains? We know that all these things happened, and we know when they happened, and we have plenty of really fine hypotheses for how they happened - but no definitive explanations.
So I'd advise you to do one of two things:
- Ask a more specific question, or
- Just make something up: your guess is as good as mine.
What else can I help you with?
Who invented the human being?
In various cultures and religions, the creation of human beings is attributed to different deities or forces. In scientific terms, human evolution from ancestral primates is understood through the process of natural selection and genetic mutations over millions of years.
What are the four forces of human evolution?
The four forces of human evolution are mutation, genetic drift, gene flow, and natural selection. Mutation introduces new genetic variations, genetic drift refers to random changes in gene frequencies within a population, gene flow involves the transfer of genetic material between populations, and natural selection is the process by which certain traits become more common in a population due to their advantage for survival and reproduction.
What is the meaning for the Ashanti mask?
The Ashanti mask is a symbol of honor, power, and protection in the Ashanti culture of Ghana. It is used in ceremonies and rituals to honor ancestors, communicate with spiritual beings, and protect the community from negative forces. The intricate designs and symbols on the mask convey important messages about the wearer's status and beliefs.
What does evidence suggest about human orgins?
Evolution There is no evidence, if we were all created by a big boom then we dont have a purpose in life, but if there is a God then we have purpose and meaning. Scientists cannot prove evolution exists because there is no way to prove it.Another answerWell, humans do exist. We know that. And The Theory of Evolution by Natural Selection is the only scientific theory explaining how any species comes about. We mustn't consider it too magical, where Evolution by Natural Selection is just one form of magic rather than another. Evolution is a perfectly normal process (inherent in all organism lineages) and humans are not unique enough to warrant anything more 'magical' than Evolution to pop into existence.Ah, the evidence you ask for. Well the pre-runner argument for evolution is that we are so similar to all our fellow organisms on the planet. We have hair and feed our young on milk and differentiated teeth - therefore (the argument goes) we must have a common ancestor with all those who have hair and feed young on milk...............We also have a backbone - therefore we have a common ancestor with all those that had a backbone..............And on the DNA level, our DNA is composed of chemicals called nitrogenous bases called adenine, thymine, cytosine and guanine, same as all other organisms - therefore we have a common ancestor with all DNA-containing organisms. In fact, genetic code is a very powerful argument as it is the very foundation of organisms themselves. From the genetic code comes a sequence of amino acids, which builds enzymes which keep the chemical goings-on going on in the cells of an organism. What is the likelihood that genetic codes COULD be so similar unless successful codes are passed on generation by generation while less successful codes die out. And how could we be here along with our fellows the Pan troglodytes (with such EXTRAORDINARILY similar DNA code unless we have a common ancestor with them? If the lineage leading to chimpanzees and the lineage leading to humans started at the beginning of life and never met up along the way, how could we be so similar today? The unlikelihood of millions of similarities unless in a world of common ancestry forces us to accept the idea of common ancestry.Forget the abstruseness of DNA if you find it abstruse. Look at the anatomy - we are so similar to chimpanzees, we must have a common ancestor with them.We have a circulatory system like that of a reptile partway through our embryonic development. How could we do that UNLESS we have the genetic code necessary to build a reptilian circulatory system? And then it is modified into a mammalian circulatory system. We are covered in hair (lanugo) near to our birth but still within the womb. These ideas come from Jerry Coyne's book Why Evolution is True - an extraordinary book. They are evidence for our mammalian evolution from an apeworld past and from a purely mammalian past and from a reptilian past.And then there are the fossils - again check out Why Evolution is True. Homo neanderthalensis, Homo habilis, Homo erectus. And there's also Australopithecus. We have 'parabolic' (rounded) bites - what I mean is the shape of missing sandwich left when you bite a sandwich. Chimpanzees and gorillas have square bites. Australopithecus had an intermediate bite. We assume that square bite was around earlier and left a lineage going on to Pan and Gorilla still with square bites. Humans have a square bite common ancestor with Chimpanzees and Australopithecus shows the transition from square bite to rounded bite. What an endless and fascinating pile of evidence for evolution.
When did human evolution begin?
Humans first arrival into history was 5,000,000 years ago when Australipithicus Affarensis first appeared on earth modern man (homo sapien) has been here for 50,000 years Rebutting the second answer, if you believe that the Bible is true, human history began when Adam was created on the 6th day of the universe's existence. History means recorded events, prehistoric means before writing or drawings were invented. Early cave drawings have dated as far back as 7500-7250 b.c..
What are five evolutionary forces?
The five evolutionary forces are natural selection, mutation, genetic drift, gene flow, and non-random mating. These forces can lead to changes in allele frequencies in a population over time, resulting in evolution.
How is a bird affected by the same forces that affect kites?
they are affected by the same forces because of GUM
What is contingent evolution?
Contingent evolution is one of the forces of Darwin's theory of evolution. It is based on the concept of how power of accidents and happenstance shape the course of evolution.
What evolutionary force is most likely to decrease variation between two populations?
evolutionary forces is most likely to decrease variation between populations
What are the forces that keep objects in orbit and how are these forces affected by distance?
The forces are gravitational forces. They become weaker with distance and mass reduction
Inertia will not be affected when this type of forces zero?
Inertia will not be affected when "net" or "net force" is zero.
How forces are affected by mass and acceleration?
It is a form of matter
How is the resultant of two forces affected by the angle between the forces?
The resultant of two forces is affected by the angle between the forces through vector addition. When the forces are pointing in the same direction (angle is 0 degrees), the resultant will be the sum of the two forces. As the angle between the forces increases, the magnitude of the resultant decreases until at 90 degrees, the forces are perpendicular and the resultant is the square root of the sum of the squares of the two forces.
What natural forces affected the changes to Pangaea?
Continental Drift
What is Evolutionary Perspective?
The evolutionary perspective is a theoretical framework that explains human behavior and mental processes through the lens of evolution and natural selection. It posits that many psychological traits, such as emotions, decision-making, and social behaviors, have developed as adaptations to enhance survival and reproductive success in ancestral environments. This perspective integrates insights from biology, anthropology, and psychology to understand how evolutionary forces shape human behavior over time. It emphasizes the role of inherited traits and the influence of environmental pressures on psychological development.
What are some examples of science being affected by nonscientific forces?
Science can be affected by nonscientific forces such as political influence shaping research priorities, economic pressures driving research outcomes, and media sensationalism distorting public perception of scientific findings. Conflict of interest, personal biases, and cultural beliefs can also influence the way scientific information is interpreted and communicated.
Thoughts actions and feelings based on belief in the existence of spirit beings and supernormal forces?
religion
