Open Question: What is a Calorie? In 8th grade science terms?
Open Question: What is Mathematics? Is it an Art, a Science, or what?
Open Question: Next Year I Am Taking Life Science, What Does This Include?
Open Question: Help with 2 questions in Science, multiple choice?
make species stronger over time.
select what a species needs.
cause changes in a population.
increase how often favorable traits are passed on.
Fossils can help us
predict the future
prepare for changes in the environment
respond to changes in the environment
learn how species have changed
Open Question: super hard chemistry science fair projects!!!?
isnhmno7 Member since:January 25, 2010Total points:92 (Level 1)I have this really hard chemistry teacher and she wants me and a couple other students to paticipate in the science fair but, she wants really hard projects. If you could give me websites or ideas it would be really helpful!!!!!Answer QuestionBe the first to answer this question.
Open Question: Science Physics Question?
When spray pain is applied to a car, the paint has a negative charge and the car has a positive charge. Some processes use a negatively charged paint and a grounded car surface
My question is, does negatively charged objects attract grounded objects?
Open Question: Im doing a project on How strong are toothpicks science Fair project?
Open Question: did science was able to answer the question : which came first chicken or egg?
http://www.thestar.com/living/article/836216--science-answers-the-question-which-came-first-the-chicken-or-the-egg
or
http://www.msnbc.msn.com/id/38238685/ns/technology_and_science-science/
Open Question: Does anyone know a fun science experiment to do?
Open Question: Science question: related to evolution?
inhabited parts of sub-Saharan Africa about 2 million to 1.5 million years ago. Homo-habilis is generally accepted as the earliest member of the genus Homo. He is following Australopithecus and preceding Homo-erectus. He was given the name Homo habilis, meaning 'handy man', because he made tools. We think that he was the first creature to make tools for specific purposes. Like if he needed a sharp edge to cut meat, he would strike two pieces of flint against each other, and the pieces that broke away would usually have a sharp edge, instant Knife.
he seems to have been restricted to the African tropics for the first several hundred thousand years of his existence, but eventually, By about 500,000 years ago, he began to gradually migrate into Asia and parts of Europe. Homo erectus or 'upright man', was the first creature to stand fully upright. He was probably also the first to use fire. We think that Homo erectus built campfires and may have made simple ovens with hot stones.
Homo-erectus
appears to have ranged widely over the Earth. Erectus fossils were first found at Trinil on the island of Java; other finds were near Peking in China, at Ternifine in Algeria, and at Olduvai Gorge and Koobi Fora in eastern Africa. In northwestern Africa at Salé, Sidi 'Abd ar-Rahman, and Rabat, all in Morocco. Specimens from Europe were discovered at Bilzingsleben and Mauer (both in Germany), and Petralona (Greece).
There are other fossils, that seem to represent subspecies of Homo-sapiens (the next in line) dating from the late Middle or early Late Pleistocene, and these are found in Africa at Kabwe (Broken Hill), Elandsfontein - the Cave of Hearths, Lake Ndutu, Omo, and Bodo, and in Europe at Swanscombe, Steinheim, Biache, Ehringsdorf, La Chaise, and Vértesszollos. It is among these that the line of distinction between Homo-erectus and Homo-sapiens becomes dim, for it seems that these are the creatures that represent the gradual progression from Homo-erectus to Homo-sapien.
It is not known exactly when Homo-erectus became extinct, but a site called Terra Amata, located on the French Riviera, and which lies on an ancient beach. Seems to have been occupied by Homo-erectus, it contains the earliest "least disputed" evidence of controlled fire, dated at around 300,000 years B.C.
Homo-sapiens
Homo sapiens are distinguished from other animals and from earlier humanoid species by characteristics and habits such as bipedal stance and gait, brain capacity averaging about 82 cubic inches, high forehead, small teeth and jaw, defined chin, construction and use of tools, and the ability to make use of symbols such as used in language and writing. Some of these features were possessed by the immediate ancestor, Homo erectus; but in the aggregate they are characteristic only of Homo sapiens.
Homo sapiens, “man the wise,” is the only currently existing species of the genus Homo. It is difficult, if not impossible, to follow the evolutionary steps that led to modern man in the fossil record. Charles Darwin himself defined the problem. “In a series of forms graduating insensibly from some ape-like creatures to man as he now exists, he wrote in The Descent of Man, it would be impossible to fix on any definite point when the term "man" ought to be used.”
I really tried to make it simple, Hope that Helps.... Good Luck
