What experimentation has been done on finding the source or raw material for the first life on earth? WhT has been discovered and by who?

Q: What is the evolutionary history of life on Earth, and what are the major events and adaptations…

A: The history of life on Earth is a vast and complex subject that spans billions of years. Scientists…

Q: Once life began, what types of organisms lived on Earth forthe next two billion years? Where did…

A: Introduction There are several hypotheses presents on that how life starts on the primitive earth.…

Q: According to the web article 'Evolution in real time', Dr. Richard Lenski has raised about…

A: Evolution is the process where genetic variations are accumulated in a population over a period of…

Q: Who gave the scientific name homo sapiens to man?

A: The species that we and all other living human beings on this planet belong to is Homo sapiens. Homo…

Q: Which statement about spontaneous generation is false?   A. It addresses the formation of living…

A: Spontaneous generation is the idea that emphasizes the point that living organisms originate from…

Q: Which of these did Stanley Miller place in his experimental systemto show that organic molecules…

A: Answer- S.L. Miller experiment concluded the thoery of chemical evolution. He used all the inorganic…

Q: What are molecular clocks used for, what specific information is needed to utilize molecular clocks…

A: The molecular clock counts the number of random mutations that occur at a comparatively constant…

Q: hat is Evolution of living things  ?

A: Evolution is a complex process by which the characteristics of living organisms change over many…

Q: What invention changed the fate of the passenger pigeon in Oklahoma ? How ?

A: The study of interrelationship between the living organisms and its environment is known as ecology.…

Q: What does it tell us if we discover life on one of these moons and it has characteristics similar to…

A: If we discover life on one of these moons and it shows alike characteristics as that of earth then…

Q: Was there molecular oxygen in the earth's primitive atmosphere? How has that molecule become…

A: Oxygen is one of the most important molecules or elements for all living organisms. It is…

Q: How do scientists determine the age of fossils?

A: Introduction :- Fossils are the preserved remains or traces of plants and animals that lived in the…

Q: A skull of Homo Neanderthalensisis tested using carbon14. Palaeontologists are wondering about…

A: Neanderthals likewise Neanderthals, Homo neanderthalensis or Homo sapiens neanderthalensis are a…

Q: The use of model organisms such as the mouse for research and biomedical testing of human diseases…

A: Mice are used for research and biomedical testing of human diseases. This fact is based on an…

Q: How did Charles Darwin came up with the tree of life? Explain

A: Charles Darwin:            Charles Darwin was a British naturalist. After his voyage on HMS Beagle,…

Q: During what geologic period did life on Earth begin?

A: Evolution is the process of gradual changes occurring in the species over a period of time, when the…

Q: What caused the very first organisms to develop a mechanism for reproduction?

A: Reproduction transmits genetic material from generation to generation. This genetic information…

Q: Which of the following helped to lay the groundwork for understanding the record of historical…

A: The Earth was created by deposition from the solar nebula approximately 4.54 billion years ago,…

Q: How is origin of life attributed to LIGHT and WATER? Give a detailed explanation.

A: The origin of life is still a mystery and not proved. There are many theories that are suggested by…

Q: In 40 words or fewer, explain why we think that RNA, and not DNA, was the hereditary material in the…

A: DNA or deoxyribonucleotide is the genetic material that is found in most of the organisms including…

Q: Name the study of possible life outside the earth.

A: Our universe is made up of millions of galaxies within which contain within itself billions of stars…

Q: Why is RNA likely to have been pivotal in life’s beginnings?

A: Ribonucleic acid (RNA) is a polymeric molecule that plays various roles in biology, including gene…

Q: With regard to the origin of life, why are biologistsinterested in the prebiotic synthesis of…

A: Introduction The Oparin-Haldane model suggested that under the highly reducing atmosphere of…

Q: opinion should be the definite characteristic

A: Life of any organism can be beneficial or harmful depends upon the nature of an organism.

Q: How would the appearance of protocells have represented a key step in the origin of life?

A: Introduction  Origin of life on earth can be traced back to 3.4 billion years ago and as we now know…

Q: In what order did events occur that led to life on Earth? (1) appearance of aerobic organisms, (2)…

A: C is possible right answer

Q: Answer the following question using the provided textbook link:…

A: The discussion about whether Homo habilis should be split into two species or kept as one reflects…

Q: How did scientist think the first life may have evolved on earth?

A: Evolution is the change in the characteristics of a species over several generations and it relies…

Q: If penguinium (element number 119) is ever discovered, what will its electrom configuration be?* O…

A: Introduction A Pure Substance Made Up Entirely Of Atoms With The Same Number Of Protons In Their…

Q: What is a hominid?

A: The definition of the word Hominid has changed many times in the past few years. However, one thing…

Q: Which discovery, made under the compound microscope by the Dutch lens-grinder Anton van Leeuwenhoek,…

A: The question is asking about a specific discovery made by Anton van Leeuwenhoek using a compound…

Q: What is the most accepted hypothesis on the origin of life on earth? How does it compare to the…

A: Introduction The heterotrophic hypothesis on the origin of life is the most compelling and widely…

Q: Why is the advent of cyanobacteria considered a critical step in evolution?

A: Cyanobacteria, conjointly called division, are a phylum of prokaryotes consisting of each…

Q: What did Charles Darwin and Alfred Russel Wallace discover?

A: Alfred russel Wallace was naturalist, geographer, biologist, anthropologist , illustrator and…

Q: What is the charge of an electron? no charge O positive neutral negative

A: Electron are subatomic particle carries negative charge and proton carries positive charge while…

Q: Miller and Urey

A: In 1952, a University of Chicago chemist named Stanley miller and Harold Urey conducted a famous…

Q: Describe some of the hypotheses on the origin of life and the characteristics of early prokaryotes,…

A: The natural process through which life has developed from non-living materials, such as basic…

Q: Which of the following is the last step in the Oparin-Haldane Model for the beginning of life?   a.…

A: oparin and haldae suggested the  origin of life on earth , via the abiotic evolution .

Q: Describe the experimental evidence that demonstrates that living organisms come from other living…

A: Cells, the most fundamental unit of life, are found in all living things. All of life's vital…