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The earliest fossils known are in the form of stromatolites formed by cyanobacteria about 3.5 billion years ago.
To say however that these are the first life forms is not likely to be correct. Cyanobacteria are already a relatively complex single celled organism. It is likely that simpler forms preceded them but so far no evidence of this has been found.
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Indicate the relative ages of the fossilized organisms listed below by placing them in a strata on the diagram of a cross section of sedimentary rock below?
a- First prokaryotes b- First fishes c- First Land plants d- dinosaurs e- horses f- Humans YOUR WELCOME! =)
How does Edmund Locard's Exchange Principle apply to forensic science?
Dr. Locard was the first Forensic Scientist. His theory was that anytime a person comes into contact with anything, they leave silent evidence that they were there. The suspect of a crime will leave evidence that he was there, and like wise, he will take evidence with him.
Abundant fossil evidence did not appear in the geologic record until what geologic era?
Abundant and diverse fossils first appeared in the Cambrian era, although there is fossil evidence throughout much of the Precambrian.
Who was odelbrecht?
Odelbrecht first advocated the use of photography for the identification of criminals and the documentation of evidence and crime scenes
When a writer organizes supporting evidence in a list what is usually the most important or interesting item?
Introduced first
Difference between physical evidence and circumstantial evidence?
Physical evidence usually involves objects found at the scene of a crime. Physical evidence may consist of all sorts of prints such as fingerprints, footprints, handprints, DNA material, cut marks, tool marks, etc.Circumstantial evidence is indirect evidence which creates an inference from which a fact may be concluded. For example, circumstantial evidence of a murder is not based on first-hand eyewitness accounts, but may consist of threats that were made, fingerprints left at the crime scene, or the presence of the accused in the vicinity of the crime.
How many years did earth exist before there was evidence of life on?
Earth is estimated to be around 4.6 billion years old, and evidence of the first life forms dates back to about 3.5 billion years ago, in the form of fossilized microorganisms. This means there were around 1.1 billion years of Earth's existence before evidence of life appeared.
The first fossilized eukaryotes date to about how many years ago?
2.1 billion
What is the first thing that must happen before an organism becomes fossilized?
It must die.
In what circumstances recourse to circumstantial evidence is permitted?
Direct evidence, such as eyewitness testimony, is generally considered more powerful, but successful criminal prosecutions often rely largely on circmstantial evidence, and civil charges are frequently based on circumstantial or indirect evidence. When circumstantial evidence is cumulative, the weakness of such circumstntial evidence is strengthened.Circumstantial evidence is indirect evidence which creates a situation from which a main fact may be inferred. For example; in a murder trial there may not be direct evidence based on first-hand eyewitness accounts of the actual murder itself, but the circumstantial evidence may consist of threats made, fingerprints at the crime scene, or the presence of the accused at, or in the vicinity of, the crime.
What was the first ever kind of shark in the world?
The oldest fossilized shark remains that have been found are teeth, identified as the megalodon.
How many did the first classification system consist of?
2
How many kingdoms did the first classification consist of?
2
Earths atmosphere was first changed by?
photosynthesis
What was the first evidence of the Bantu migration?
Linguistic Evidence
What is first religion in the world?
The first documented religions are estimated to be pre-Sapiens ssp. Sapiens nature cults, evidenced by fossilized graves and preserved cave paintings.
What was first man to orbit the earths spacecraft?
Vostok I.
