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Human Ancestors Humans have evolved over time from earlier species, and share a genetic relationship to all other forms of life on Earth. The study of human evolution involves understanding the similarities and differences between humans and other species in their genes, body form, and behavior. Living and extinct human beings and their near-human ancestors are called “hominids” and belong to the Hominidae family of primates. This is the category describing creatures as lemurs and the monkeys of the New World and Old World, and also the apes. Here is a list of all the data and information of ancient species found. Years agoSpeciesDiscoveredRemarks c. 1.8 millionHomo erectus 2007 Dmanisi, GeorgiaMay reveal how early humans moved out of Africa 3.5-4.1 millionAu. anamensis 2006 in the Afar desert, EthiopaThe missing link in evolution between Australopithecines and earlier Ardipithecus 5.8–5.2 millionArdipithecus ramidus kadabba 1997–1998 in Alayla, EthiopiaMay be oldest-known human ancestor. About the size of modern chimpanzees, or 4 ft tall standing. May have walked upright c. 4.4 millionArdipithecus ramidus ramidus 1994 in Aramis, EthiopiaSimilar to A. ramidus kadabba c. 4.2 millionAustralopithecus anamensis 1995, two sites at Lake Turkana in Kenya: Kanapoi and Allia BayPossible ancestor of A. afarensis (Lucy). Walked upright c. 3.2 millionAustralopithecus afarensis 1974 at Hadar in the Afar triangle of eastern Ethiopia; Laetoli, TanzaniaNicknamed “Lucy.” Her skeleton was 3.5 ft (100 cm) tall. Had apelike skull. Walked fully upright. Lived in family groups throughout eastern Africa c . 2.5 millionAustralopithecus africanus 1924 at Taung, northern Cape Province, South AfricaDescendant of “Lucy.” Lived in social groups c. 2 millionAustralopithecus robustus 1938 in Kromdraai, South AfricaWas related to A. africanus c. 2 millionHomo habilis (“skillful” or “handy man”)1960 in Olduvai Gorge, TanzaniaFirst brain enlargement; is believed to have used stone tools c. 1.8 millionHomo erectus (“upright man”)1891 at Trinil, Java, IndonesiaBrain size twice that of australopithecine species. “Java Man” may have been a direct ancestor of Homo sapiens or instead developed on a separate evolutionary track. He is the first hominid to use fire and the hand ax c. 195,000Homo sapiens sapiens (“knowing or wise man”)Discovered in 1964 (dated 2005) at Omo Kibish, EthiopiaThe Omo skull fossils are the oldest-known anatomically modern humans Chart of the evolution of man
In the Japanese fishing village of Taiji, fishermen will be rounding up and slaughtering hundreds and even thousands of dolphins from the start of October, and this goes on for six months. After driving large amounts of dolphins into shallow coves, the fishermen kill the dolphins, by slashing their throats with knives or stabbing them with spears. After thrashing about, the dolphins take as long as six minutes or more to die. The water turns red with their blood and the air fills with the cry of tortured dolphins. This brutal massacre,the largest scale dolphin kill in the world, goes on for six months of every year. Even more shocking, the captive dolphin industry only selects three or four dolphins out of the thousands of dolphins that have been captured to be placed in amusement parks around the world. Taiji fishermen used to carry out the massacres in a large lagoon, now they have forced the dolphins into one last hiding place, a small cove hidden between two mountains. The cove is part of a public park and tourists from all over Japan come here to walk the trails along one of the most spectacular coastlines in the world, eve worse, the meat that is left over from the kill is used in school children’s lunches. When the fishermen are hunting the dolphins, the use whatever they can to hold out Japanese tourists and westerners by using hostile tactics to keep them away while they are slaughtering the many thousands of dolphins. The only way to stop the dolphin slaughter is to keep bringing attention to it. One of the main reasons that the killing continues is that very few people in Japan and around the world, even know it is happening. The fishermen don't want the public to know about their little secret, so they spend a lot of time hiding their activities. They know that if Japan and the world learns the truth about this barbaric killing, world opinion will immediately put an end to it.
Dolphin Story
Human Ancestors and Chart of fossils found from our oldest ancestors.
Conditioning (Ivan Pavlov) Ivan Pavlov uses a method called conditioning to train animals to work better and also to get them to do things. Whilst Ivan Pavlov was involved with physiological researches with dogs for several years it was only in or around 1889 that his famous dog research experiments with reflex conditioning or classical conditioning were begun. These experiments were subsequently continued over thirty years. One of the methods Ivan Pavlov has used is using a bell to get the dog to come to eat from their bowl of food. When the dog is eating, he uses a bell to ring every time the dog eats so the dog gets used to hearing the bell to eat. After some time, the dog will come to eat every time you ring the bell. That is one of Ivan Pavlov’s methods of conditioning. Classical Conditioning (also Pavlovian or Respondent Conditioning) is a form of associative learning that was firstly demonstrated by Ivan Pavlov . The typical procedure for inducing classical conditioning involves presentations of a neutral stimulus along with a stimulus of some significance. The neutral stimulus could be any event that does not result in an overt behavioral response from the organism under investigation. Pavlov referred to this as a Conditioned Stimulus (CS). Conversely, presentation of the significant stimulus necessarily evokes an innate, often reflexive, response. Pavlov called these the Unconditioned Stimulus (US) and Unconditioned Response (UR), respectively. If the CS and the US are repeatedly paired, eventually the two stimuli become associated and the organism begins to produce a behavioral response to the CS. Pavlov called this the Conditioned Response (CR). In conclusion, I think that methods of conditioning are used everywhere and it is very effective at some times.
hanoiiii added this comment 2009-02-17 09:59:55-06:00
were you*
hanoiiii added this comment 2009-02-17 09:59:37-06:00
nice one! were rate yourself? <_< lol jking....
hanoiiii added this comment 2009-02-17 09:59:55-06:00
were you*
hanoiiii added this comment 2009-02-17 09:59:37-06:00
nice one! were rate yourself? <_< lol jking....