How have changes in earths systems contributed to the evolution of life?

Q: In which probable stage of physical and chemical evolution of life were gaseous oxygen and water…

A: Earth was formed some 4.6 billion years ago from the sun due to the continuous bombardment of huge…

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: What is the most logical theory on the topic of the Origin of Life?

A: In the 1920s, English scientist John Burdon Sanderson Haldane and Russian scientist Aleksandr Oparin…

Q: How did discoveries in the deep sea influence scientists' ideas about whether life could be found…

A: A discussion of life elsewhere therefore naturally begins with a review of some key aspects of the…

Q: Which molecule is believed to have preceded the other two during the evolution of life? RNA…

A: Introduction :- When an environmental shift makes new resources available or poses new environmental…

Q: How does evolution lead to both the diversity and the unity of life

A: Unity of life is states that all living organisms share basic fundamental characteristics and they…

Q: What are the weaknesses of the origin of life theories?

A: At the turn of this century, spontaneous generation began to make a comeback as a scientific theory…

Q: How did life first begin on Earth?

A: The Earth was created about 4.5 billion years ago. Scientists and researchers believe that the…

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 is the origin of life or the main ancestor of all organisms

A: Origin of life is still one of the most complex topics to be explained and it encompasses all the…

Q: Which theory of the origin of life do you think is most possible? Why?

A: Earth's life began millions of years ago. There are numerous ideas about the origin of life,…

Q: What experimentation has been done on finding the source of raw material for the first life on…

A: Raw materials  Raw material are the basic materials from which the things are made. Like raw…

Q: How do biologists define life, and what were the origins of life?

A: This question is about and origin of life.

Q: Why was the age of Earth important for Darwin’s ideas about evolution?

A: The Earth's age was important for Darwin to deduce the concept of evolution as evolution is a slow…

Q: 1.3 What are the pieces of evidence on the evolution of life which may have enabled the first forms…

A: Perhaps the most persuasive fossil evidence for evolution is the consistency of the sequence of…

Q: The more DNA and protein sequences two organisms share, the ________________ closely related they…

A: Evolution is a theory which represents the development of new organisms from pre-existing forms and…

Q: Present three possible explanations for the origin of life.

A: Our earth is full of animate and inanimate matters. This matter undergoes changes from time to time,…

Q: How does the fact that Earth is a sphere tilted on its axis influence thedistribution of life?

A: Earth is so far the only planet that has the capability to sustain life on it. There are many…

Q: What was Stanley Miller's experiment (1953) on the origin of life?

A: Introduction In this question we will about the Stanley Miller's experiment (1953) on the origin of…

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: Four billion years ago, the Earth was a thin-crusted inferno. Which probable stage of physical and…

A: Solar system was originated around 4.6 billion years ago from contraction of rotating gas and dust…

Q: How do fossils support evolution, speciation and extinction?

A: Fossils are defined as the imprints kr impressions of the dead remains of the plants and animals on…

Q: Has the number of species on Earth increased steadily since the origin of life?

A: Ans: Species: The species are those which are capable of interbreeding and producing the offspring.…

Q: What was the composition of the earth’s atmosphere at the time of the origin of life, and how did it…

A: Earth was originally in the molten lava state mainly consists of hydrogen sulfide and other…

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: What theory of the origin of life do you think is most possible? Why?

A: There are so many theories of the origin of life is available. First of all, we will know about the…

Q: What are the 3 layers of the earth

A: The distance from beneath your foot to the center of the earth is approx 6,371 Km.  The internal…

Q: What is the origin of life or the main ancestor of all organisms?”, what would be your answer and…

A: Answer: As the question depicts that it is the topic of EVOLUTION.  EVOLUTION: this is the process…

Q: How does the structure of a DNA molecule help account for the great variety of life that exists on…

A: DNA is the specific and dominant building block of the entire living organisms. They provide almost…

Q: what is the difference between evolution and acclimation and how do they work with climate change?

A: Acclimation and evolution are the beneficial changes takes places in the organism . It allows…

Q: What does Oparin – haldane hypothesis about origin of life suggests.

A: The Oparin-Haldane theory of the origin was discovered by two scientists Aleksandr I. Oparin and J.…

Q: Which scientists investigated the origins of organic molecules on the primordial Earth?

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: How does evolution work to create the diversity of life on Earth

A: The gradual development or change in organisms with accordance to the changing environment for their…

Q: How does genetics provide strong evidences of evolution of life?

A: Genetics is the field of biology that studies genes, genetic variation, and heredity in organisms,…

Q: What theory of fhe origin of life do you think is most possible?why?

A: Life on Earth started over 3 billion years ago, developing over time from the most fundamental of…

Q: How have the earth and life on it evolved together with each deeply influencing the other?

A: The different varieties of animals, microorganisms, and plants are present on earth. All the…

Q: What's the earth crust?

A: Earth is a planet that is made up of the lithosphere, hydrosphere, and atmosphere. All of these…

Q: Which molecule -DNA or RNA- do scientist believe was found in the first life form on Earth? Why do…

A: DNA is the double helix structure. RNA is the signal helix structure.

Q: Based on the Origin of Life by John H. McClendon, how did life on earth start based on the different…

A: John H. McClendon published the Origin of Life in 1999. There he mentioned the origin of the…

Q: where on the earth did life mostly likely first emerge, where all the ingredients and conditions for…

A: There is an evidence that life began as early as 4.5 billion years ago , and had been reported in a…

Q: What is the name of the evolution where carbon, oxygen, nitrogen were formed?

A: Carbon, nitrogen and oxygen They are the three main basic components of life. Life is impossible…

Q: How does evolution explain the biodiversity of life on earth

A: Biodiversity is the abundance and variety of life on the planet. It involves the different species…

Q: List three locations where the building blocks of Earth’s first lifemay have formed

A: The biological event through which life has originated from non-living matter, like simple organic…

Q: how organisms evolved through time. What are pressures that caused the evolution of these organisms…

A: Evolution is the biological changes that occur in a population over a period of time.

Q: How does the evolution of living organisms influence the way we classify the 6 kingdoms?

A: Classification of living organisms was a fundamental process for their detailed and comparative…

Q: How is Aristotle’s “scale of nature” idea linked to early evolutionary thought? In what ways does it…

A: Evolutionary theory of biology states that organisms undergo a change in successive generations over…

Q: what are the different perspectives of the Origin of Life?

A: Origin of life - The emergence of heritable self reproduction. It began with the origin of universe.…

Q: How are the different periods in the history of the earths broken up?

A: Evolutionary biology is the branch of biology that deals with the study of evolution or orderly…

Q: How do we know when oceans were first present on Earth?Why is the presence of oceans significant to…

A: The water body, which consists of hydrosphere of different planets, is called oceans. The 71%…

Human Evolution

Human evolution is the process of evolution of humans from early man to anatomically modern humans. The process of evolution in humans leads to the gradual development of traits like bipedalism. Humans are the highly social animals that make them the most advanced animal on Earth.  Human evolution is an outcome of interaction among the following processes: