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The development of bipedal
Primates and humans similarities
The development of bipedal
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The last grade that will be discussed is grade IV that include apes and man. There are a couple of primates that are part of a superfamily called Hominoidea, which include siamangs, gibbons, orangutans, gorillas, chimpanzees, bonobos and humans. Humans and apes have a lot of things in common as far as behavior and characteristics for example Apes and humans are the most intelligent primates because they are reliant on of survival, they are both omnivores, as time went on their tail began to vanish to help with standing up on two feet, they both do not have a tail and even have some of the same diseases. Studies suggest that apes are more alike than humans. Apes can live all over the world. The gorilla is the largest ape in the family and …show more content…
They have long arms that make bipedalism form because small legs can’t support a massive gorilla. Gorillas are the largest species of living primate and they can walk bipedally for a little while if necessary (O’Neil 2012). Apes have thick fur, thick muscle tissue for surviving changing cold weather, and different color hair on the top of their head. Chimpanzee are known to be the closest relative to humans because they can walk on two feet. Gibbons and the orangutans are from South East Asia and bonobos, chimps and gorillas can be found in Africa. Gibbons and siamangs are the smallest of the apes they have long and thick bodies, and it is often referred to as the “lesser ape”. It grows to be about 3ft tall and weigh about 12-25 lbs. There are many different species of a gibbon. They have very long arms which makes them brachiators, they use the suspensory climbing movement and can even walk on two feet when they are on twigs. Gibbons have a slender body, narrow shoulders, and long arms. The long arms give the primates the opportunity to jump to over 50 ft and leap 26 ft. The primates have progressed from walking bipedally raising their arms for balance to having shorter thumbs to help them grab on to things …show more content…
Because of their body structure they are not able to swing as good, so they must be able to walk. Orangutans have huge fleshy pads on their upper part of their face and have brown fur. Female orangutans and baby orangutans are arboreal primates, they can swing on trees because they weigh about 100 pounds less than a full-sized male. Orangutans share an alike drooping size and shape as the gorilla. Humans are bipedal primates, bipedalism is an important feature of the earliest hominins line from ape to man. Humans have longer arms and legs, they have very skinny fingers on their hands and an opposable thumb. Hominids grew significant taller around 1.89 million years ago when they started to evolve (O’Neil, 2012). No one knows why exactly hominids began to walk on two legs but there are many theories as to why. Apes and humans are much smarter than any primates, humans began to grow their mind around the Pleistocene era, so they started to develop reasoning, problem solving and the dependence of culture. Although hominids kept some aboriginal features such as curved toes and fingers. Humans began to establish an elongated spine; the hallux is aligned with the toes which is an adaptive feature for walking on two
This article, titled Common Ground, written by Barbara Smuts, points out the main differences between humans and apes, such as our upright stance, large brains, and capacity for spoken language and abstract reasoning. However, the main point of this article is to emphasize the many similarities that apes share with us. Smuts goes into great detail about how human social and emotional tendencies are very reflective in the family of apes.
Chimpanzees make tools and use them to procure foods and for social exhibitions; they have refined hunting tactics requiring collaboration, influence and rank; they are status cognizant, calculating and capable of trickery; they can learn to use symbols and understand facets of human language including some interpersonal composition, concepts of number and numerical sequence and they are proficient in spontaneous preparation for a future state or event.
The physical characteristics of a gorilla are, the male may be from a height of 5.5 ft and a weight of about 400 lbs. The female can be as tall as 5 ft. and weight almost about half the weight of the male. Their skull is pretty much similar to ours, but their bones are thicker. The gorillas spin...
They have wide chests and their arms are longer than their legs. Chimpanzees’ hands have four long fingers plus an opposable thumb. Their feet have five toes which includes an opposable big toe. Chimpanzees’ can grasp things with both their hands and their feet. Male chimpanzees are larger than female chimpanzees and are slightly sexually dimorphic. Chimpanzees are quadrupeds that typically walk using the soles of feet and the knuckles of their hands. They sometimes walk upright only when they need to use their arms to carry things but this is a rare occurrence. Chimps are also good at brachiating and climbing trees which is where they spend most of their time even when they sleep. Their dental formula is 2.1.2.3. Chimpanzees’ have y5/x4 molars, making them frugivores, and a diastema to fit their upper canines. Their diet includes fruit, leaves, flowers, seeds, smaller mammals, birds, insects, and grubs. When chimps aren’t resting, they can be very active. I enjoyed watching the Chimpanzees’ swing on the ropes and climb up and down the trees. Chimpanzees are
Females are smaller than males, with most reports at between 7 and 9 feet tall. Females are more often described as having a barrel shaped build, with narrower shoulders than the male and wider hips with a straight line, bulky body.” (Biology, n.d.). There is lots of history and many old stories about hairy human like creatures, The oldest of them was from almost 2000 BC and were written on clay tabs and were found in Babylonia. The earliest found was in 500 BC with ancient carvings and traditions from the ancient Greek and Roman empires (Bigfoot Facts, 2012).
From a far distance I was able to see the largest of the primates, Gorillas. The gorillas at the
Australopithecus afarensis existed between 3.9 and 3.0 million years ago. The distinctive characteristics of A. afarensis were: a low forehead, a bony ridge over the eyes, a flat nose, no chin, more humanlike teeth, pelvis and leg bones resembled those of modern man. Females were smaller than males. Their sexual dimorphism was males:females; 1.5. A. afarensis was not as sexually dimorphic as gorillas, but more sexually dimorphic than humans or chimpanzees. A lot of scientists think that Australopithecus afarensis was partially adapted to climbing the trees, because the fingers and toe bones of the species were curved and longer than the ones of the modern human.
Bipedalism is a form of locomotion that is on two feet and is the one factor that separates humans from other forms of hominoids. The first bipeds are believed to have lived in Africa between 5 and 8 million years ago. (Haviland et al. 2011, pg. 78). The evolution to bipedalism resulted in various anatomical changes. To be able to balance on two legs, the skull must be centered over the spinal column. As bipeds evolved, the foramen magnum, the opening at the base of skull for the spinal column, moved from the back of the skull to the center. The spinal column also evolved from a continuous curve to a spine with four concave and convex curves. (Haviland et al. 2011, pgs. 79, 80). Another change was the widening of the pelvis which gives a wider plateau for more balance when walking on two legs.
According to National Geographic, scientists have sequenced the genome factor of the chimpanzee and found that humans are 98.5% similar to the ape species. The chimpanzee is our closest relative in the animal kingdom; however, some people are not aware of our resembling traits with chimpanzees. Jane Goodall’s, In the Shadow of Man, describes some similar traits humans and chimpanzees have such as their facial expressions and emotions, use of tools, and diet.
In order to show off how powerful one chimpanzee is, the male can swing, pull down the trees, drag them, throw sticks and stones, and stomp on t...
The Teh-Ima is 4 feet tall, being the smallest of the four and is located in lower mountain regions. The Meh-The, slightly resembling a gorilla, has a big pointed head and large square teeth, it is slightly larger than the Teh-Ima. The Duz-Teh being the third largest resembles a bear and is approximately six to eight feet tall. The largest of the group is the Bigfoot of North America weighing as much as 1,000 pounds, and over eight feet tall (Gaffron, 44-46). These Bigfeet have there own characteristics and traits, each one ad...
Monkey see, monkey do. Apes have always been thought to have an increased level of intelligence. Over the years, researchers have attempted to understand the degree of intelligence these primates possess. However, it is essential to understand the definition of intelligence in order to determine the amount of intelligence primates have. Intelligence is the capability of obtaining knowledge and being able to utilize it in everyday situations. There are many hypotheses that focus on the evolution of intelligence in primates that view a number of factors including brain size and modernism. Primate intelligence has been a topic of interest to many because it will allow us to further understand the close relationship between humans and primates. Additionally, we will be able to understand the difference between human and primate cognition. Some studies suggest that the human and primate brains possess many similarities. This demonstrates why primates tend to respond to stimuli in a manner that is closely related to humans. Researchers have conducted a number of studies in an effort to understand primate cognition.
What Makes Us Human is an eye opening article that really leaves no question that evolution is real. Most people accept that humans and primates share a common ancestor, this can easily be seen from our countless similarities. Humans and chimpanzees share behavioral similarities like caring for and nursing their young and have shown high levels of intelligence compared to other species. They are also physically similar in some aspects; they both share opposable thumbs and can walk in an upright position. For as long as humans have been on earth, chimpanzees have played a fundamental role in showing Homo sapiens who we are and where we came from.
One of the most important and pivotal physical and biological adaptations that separate humans from other mammals is habitual bipedalism. According to Darwin, as restated by Daniel Lieberman, “It was bipedalism rather than big brains, language, or tool use that first set th...
Creationists believe that humans were always humans. Humans are classified in the mammalian family Primates. In this arrangement, humans, along with our extinct close ancestors, and our nearest living relatives, the African apes, are sometimes placed together in the family Hominidae because of genetic similarities. Two-leg walking seems to be one of the earliest of the major hominine characteristics to have evolved. In the course of human evolution the size of the brain has been more than tripled.