An Introduction to Evolution Essay -- Evolution Science Biology Essays

An Introduction to maturationWhat is Evolution? Evolution is the process by which every financial backing things prep atomic number 18 developed from primitive existences by means of changes occurring over billionsof years, a process that includes all(prenominal)(prenominal) animals and plants. Exactly how developingoccurs is hushed a subject of debate, but there be many incompatible theories andthat it occurs is a scientific fact. Biologists agree that all living thingscome through with(predicate) a ache history of changes mold by physical and chemical processesthat are still taking ready. It is achievable that all organisms can be tracedback to the agate line of Life from one(a) celled organims.The most direct proof of ontogenesis is the comprehension of Paleontology,or the discover of life in the past through fogy mud or impressions, usuallyin rock. Changes occur in living organisms that serve to accession theiradaptability, for survival and reproduction, in changing environments. Evolution on the face of it has no implicit in(p) direction purpose. A given kind of organism may create mentally only when it occurs in a variety of forms differing in transmitted traits,that are passed from parent to offspring. By chance, some varieties prove to beill altered to their current environment and thus disappear, whereas othersprove to be adaptive, and their numbers increase. The settlement of the unfit,or the survival of the fittest, is known as instinctive Selection because it is temper that discards or favors a particular being. Evolution takes place onlywhen indispensable pickaxe operates on apopulation of organisms containing diverseinheritable forms. memorialPierre Louis Moreau de Maupertuis (1698-1759) was the primary topropose a general theory of evolution. He said that hereditary material,consisting of particles, was transmitted from parents to offspring. His opinionof the part played by natural selection had little influence on othernaturalists.Until the mid-19th century, naturalists believed that individually specieswas created separately, either through a supreme being or through spontaneousgeneration the concept that organisms arose fully developed from soil or water.The work of the Swedish naturalist Carolus Linnaeus in advancing the classifyingof biological organisms focused attention on the close similarity betweencertain species. scheme began as to the world of a sort of bloodrelationship between... ...y different. For example, the fly of a doll and the wing of abutterfly are like both are used for flight, but they are entirelydifferent structurally. Analogous structures do not indicate evolutionaryrelationships.Closely associate fossils preserved in continuous successions of rockstrata require allowed evolutionists to trace in detail the evolution of manyspecies as it has occurred over several one zillion trillion million years. The ancestry of the long long horsecan be traced throu gh thousands of fossil remains to a teeny terrier-sizedanimal with four toes on the front feet and tercet toes on the hind(prenominal) feet. Thisancestor lived in the Eocene Epoch, slightly 54 million years ago. From fossils inthe higher layers of stratified rock, the horse is found to have graduallyacquired its innovational form by eventually evolving to a one-toed horse almost standardizedmodern horses and finally to the modern horse, which dates back about 1 millionyears.CONCLUSION TO EVOLUTIONAlthough we are not alone certain that evolution is how we got the waywe are now, it is a strong imprint among many multitude today, and scientist arefinding more and more distinguish to back up the evolutionary theory. An Introduction to Evolution Essay -- Evolution Science biology EssaysAn Introduction to EvolutionWhat is Evolution? Evolution is the process by which all living thingshave developed from primitive organisms through changes occurring over billions of years, a process that includes all animals and plants. Exactly how evolutionoccurs is still a matter of debate, but there are many different theories andthat it occurs is a scientific fact. Biologists agree that all living thingscome through a long history of changes shaped by physical and chemical processesthat are still taking place. It is possible that all organisms can be tracedback to the origin of Life from one celled organims.The most direct proof of evolution is the science of Paleontology,or the study of life in the past through fossil remains or impressions, usuallyin rock. Changes occur in living organisms that serve to increase theiradaptability, for survival and reproduction, in changing environments. Evolutionapparently has no built-in direction purpose. A given kind of organism mayevolve only when it occurs in a variety of forms differing in hereditary traits,that are passed from parent to offspring. By chance, some varieties prove to beill adapted to their current environment and thus disappear, whereas othersprove to be adaptive, and their numbers increase. The elimination of the unfit,or the survival of the fittest, is known as Natural Selection because it isnature that discards or favors a particular being. Evolution takes place onlywhen natural selection operates on apopulation of organisms containing diverseinheritable forms.HISTORYPierre Louis Moreau de Maupertuis (1698-1759) was the first topropose a general theory of evolution. He said that hereditary material,consisting of particles, was transmitted from parents to offspring. His opinionof the part played by natural selection had little influence on othernaturalists.Until the mid-19th century, naturalists believed that each specieswas created separately, either through a supreme being or through spontaneousgeneration the concept that organisms arose fully developed from soil or water.The work of the Swedish naturalist Carolus Linnaeus in advancing the classifyingof biological organi sms focused attention on the close similarity betweencertain species. Speculation began as to the existence of a sort of bloodrelationship between... ...y different. For example, the wing of a bird and the wing of abutterfly are analogous both are used for flight, but they are entirelydifferent structurally. Analogous structures do not indicate evolutionaryrelationships.Closely related fossils preserved in continuous successions of rockstrata have allowed evolutionists to trace in detail the evolution of manyspecies as it has occurred over several million years. The ancestry of the horsecan be traced through thousands of fossil remains to a small terrier-sizedanimal with four toes on the front feet and three toes on the hind feet. Thisancestor lived in the Eocene Epoch, about 54 million years ago. From fossils inthe higher layers of stratified rock, the horse is found to have graduallyacquired its modern form by eventually evolving to a one-toed horse almost likemodern horses and f inally to the modern horse, which dates back about 1 millionyears.CONCLUSION TO EVOLUTIONAlthough we are not totally certain that evolution is how we got the waywe are now, it is a strong belief among many people today, and scientist arefinding more and more evidence to back up the evolutionary theory.