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Evidence for evolution essay
Evidence that support evolution essays
Evidence of evolution theory as ssay
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There are multiple strong pieces about the evidence of evolution, but there is one piece that happens to be the most convincing. One strong piece of evidence that is the most convincing is comparative anatomy because it proves that multiple animals have a common ancestor. Comparative anatomy shows multiple homologous structured with similar parts that make them capable of having similar ancestors. The rib cage of a human and monkey is just one reason why comparative anatomy is convincing. The rib cages of humans and monkeys are vastly similar which means they have similar ancestors. A human rib cage is longer and wider than a monkey, but has the same structure as it. This is convincing to me because if monkeys have the same build as humans
: Primates didn’t just appear among Earth, but they evolved. The coevolution has to do with flowers and fruits. Fruits were evolving to get tastier for primates to eat and as primates ate them they spread them around as well. As they ate these new evolved fruits and flowers this invited changes onto their bodies as
When talking about evolution, it is not stating that man comes from monkey but rather that man evolves and adapts to his surroundings and environment due to natural selection. In the days of the cavemen, men were hunting while women were caretakers and cooks. Because men were hunters, they became bigger, faster, and stronger in order to have better skills for hunting which was essential for survival. These men passed down these “dominated traits – some flexibility, an instinctive ability to respo...
Humans know or understand the theory of evolution and how they evolved from apes, but there is always talk of a missing link between apes and modern humans. Apes did not just suddenly evolve into modern day humans. Apes evolved into another species that fall into the relation of modern humans. This is what the missing link is referring to; we call the species hominins. Hominins comprised of many species actually, including but not limited to, Australopithecus afarensis and Homo erectus. Homo erectus may have been a direct descendant of modern Homo sapiens. These species hold strong evidence that they are the missing link between apes and modern humans. There are many pieces of evidence that lay the path of evolution from these species to modern humans, “…these include anatomy, living primate behavior, and genetic relationships” (Stanford, 237). Australopithecus afarensis comes first, existing about 3.9 to 2.9 million years ago, with intermediate anatomical traits between living apes and modern humans; their fossils were found in Africa (Yukimoto). About a million to two million years later, the species Homo erectus came into existence and lots of evidence has been found about this particular species, in fact, it was probable that it was the first species to leave Africa (Yukimoto). These species are significant in the evolution of modern humans. We do not have a clear path or even understand why these species emerged when they did or how they, in theory, eventually evolved into modern humans. We can only assume these things, by using various evolutionary processes such as natural selection, genetic bottleneck, and many more.
explosion; nothing turns into something, and the world as we know it is formed. Or, there is a one true God who formed this world through supernatural means and created man out of the dust. Both seem pretty far-fetched for the ultimate answer to the preeminent question of the age: Why we are here and where we came from. Evolution is assumed to be true due to the fact that it seems to be proven by natural scientific organic processes, and Christianity is assumed to be false because it is based off some book that a bunch of random people wrote form 5,000 years ago. All of this would be postulated if this paper was written by the general populous, but this is not the case. In this paper, evolutionism, also called Darwinism, and creationism will be compared and contrasted, and in the end, give substantial information as to why creationism is the only conceivable answer.
Evolution is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth (Google). Scientists have many evidences to prove Evolution. One of these evidences is rock layers. Rock layers are beds of sedimentary rock, consisting of one type of matter, and can usually have fossils found in them. Rock layers are an evidence of evolution because they show the development of life through fossils, show how rock layers relates to evolution, and can explain why the continent Pangea split into the continents we have today.
Human evolution looks at the bodily changes that have occurred over the years leading up to modern day Homo sapiens. In order to determine the changes that have taken place in human anatomy we rely on paleoanthropology, the study of human fossil remains, and primatology, and the study of other primates 1. Paleoanthropology helps us determine who our ancestors were, and when, how and why they evolved. Primatology allows us to see the similarities and differences between other primates and ourselves and allows us to trace these evolutionary relationships. For example, such a study has determined that humans share approximately 98.6% of their DNA (their genetic code) with gorillas, 98.8% with chimpanzees and 97.6% with orangutans 2.
Primates are characterized by their unique characteristics, behaviors, and features. This is also why humans are considered to be a primate. With the human evolution researchers are able to find these common similarities. And even though chimpanzees have a very close body type and size they also have some differences. Researchers have found all these results by studying non-primates many different way in the non-primate own environment. With these results and studies it proves the facts that humans are indeed primates.
There is great debate over the concept of primate evolution. Some research supports the idea that evolution occurred linearly as a continuum while other research supports the idea that fossils found to date should be separated into individual species. Through morphological, and geological evidence this paper explores this topic and provides concise arguments to further develop the understanding of human primate evolution.
Senescence, usually defined as progressive loss of fertility and increasing probability of death with increasing age (Kirkwood and Austad 233), is clearly a process detrimental to an individual – and, at first glance, hard to reconcile with the process of natural selection ,which would work towards ensuring optimal survival and increasing fitness (reproductive success). It seems, at a cursory glance, that it would also work towards preventing the aging process because aging leads to increased mortality rates and decreased reproductive capability.
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.
First, fossils of organisms and their ancestors differ in order to fit the needs to survive, which explains evolution by showing that their skeletons change over a long or short period of time; this is similar to the definition provided by Dictionary.com. Two primary examples of fossil evidence would be shown through the whale skeletons throughout the centuries and ancient lizard fossil. The skeletons of whales have changed over time, from fossils showing that whales once had four limbs and were capable of walking on land. The modern whale skeleton has bones on the lower back, which are limb remnants of its prehistoric ancestor. The whale was not the only animal that lost its limbs; according to National Geographic, a 95 million year old fossil of a lizard with miniscule legs may be the ancient ancestor of the snake. The vestigial limbs show that the lizard was closer to evolving into the snake. In short, the changes of fossils which belong to the snakes and its predecessors show variations that allows one to believe that evolution had occurred.
The northern sparrows have adapted to a larger body than the southern sparrows, in order to survive lower temperatures. Along with these similarities, evolution and creation both acknowledge that apes and humans show resemblance. Evolution and creation both recognize the comparable characteristics that humans and apes acquire.
The evidence for human evolution begins with the australopithecines. All the australopithecines were bipedal and therefore possible hominines. In details of their teeth, jaws, and brain size, however, they modify enough among themselves to be divided into five species: Australopithecus anamensis, A. afarensis, A. africanus, A. robustus, and A. boisei. Genus Homo are also divided in five different spices: Homo erectus, H. habilis, H. sapiens, and H. sapiens sapiens.
Evolution: Fact or Fiction? One of the greatest questions of all time is: "Where the heck did we come from?" One of the most popular answers to this question is creationism, the idea that everything was created by a higher being. Another idea is evolution, the idea that all living organisms descended from a less complex organism. Up and coming in the last century, evolution possesses a new way of thinking that is being greatly accepted by the scientific community.
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.