69. Theoretically, radiocarbon dating (Carbon-14) can date materials that are at most   1.31 billion years.   100,000 years.   40,000 years.   5730 years.   None of the above

Q: HISTORY OF LIFE ON EARTH can safely opper layer hquake), ists then d in the cientist t level ter ago…

A: Let's break down each question step by step: 1.1) The solid formed from the hardening of the liquid…

Q: In the shale unit, you find the following fossil: What is the mode of preservation of this…

A: A Fossil is a preserved remains of an organism, its impression, or its traces. The organism when…

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

A: Harold Urey and Stanley Miller are two American scientists who attempted to create similar…

Q: Question 1:  Mass extinction ocurred on the following time and era except for: A. Mesozoic B.…

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Q: True or false: Within the fossil record, the oldest fossils are generally found in the upper-most…

A: Fossils are conserved or well maintained structure of dead organisms in the past history . Learning…

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A: Phylogenetic relationship among living organisms gives an insight into the common ancestors and…

Q: The Pliocene Epoch is when our species, Homo sapiens first evolved. Group of answer choices True…

A: Pliocene Epoch was a Geological Time which started approx  5.4 million year ago and ended approx 2.3…

Q: Which of the following techniques examines the decay of carbo an object? O A. Radiometric dating O…

A: For the determination of the age of living or nonliving materials the scientist usually determined…

Q: Relative dating of sedimentary rocks allows scientists to assign specific dates to fossils.

A: It is difficult to date sedimentary rocks since they range to billions of years ago. So, the…

Q: According to the stratigraphic system which was eventually used by Scottish geologist Charles Lyell,…

A: The objective of the question is to identify the correct time period that corresponds to the…

Q: Neanderthals and Denisovans split approximately 530,000 years ago. 430,000 years ago. 400,00 years…

A: Answer is 3rd option

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A: It is a chronological sequence or time line of geologic as well as evolutionary events that includes…

Q: What is one way we can determine the age of fossils Adaptive Dating O Structural Dating Geometric…

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A: The organic or biological process of evolution is simply defined as the lineage with modification.…

Q: The half-life of the C14 isotope is 5730 years. How many years after an animal dies will it take for…

A: Half life is the time taken for a substance to decrease its amount by half.

Q: -If 30 percent of the carbon-14 atoms remain in a sample, how long ago did the organism die? -Is…

A: The unstable isotope of the carbon is Carbon 14 (C-14). The half-life of a C-14 is 5730 years old.…

Q: Which of the following did Stanley miller place in the experimental system to show that organic…

A: Stanley Miller and Harold Urey's experiments reported evidence of chemical evolution or Chemogeny.…

Q: Radiometric decay of carbon-14 would be used in dating sedimentary rock. a trace fossil. an insect…

A: Radiometric decay is a method dating substances of possible majority of organic content. Principle:…

Q: 19. When a radio-isotope in a fossil with a half-life of 3,000 years has been reduced to 1/8th of…

A: On completion of each half life  the  amount of the substance reduces to half of its initial value.…

Q: What general term describes any character state that is modified relative to an ancestor?    1…

A: Correct Answer:  Derived State Derived State is also known as Apomorphy. It involves characters that…

Q: Which of the following is NOT true for relative dating methods: A. Relies on observational skills B.…

A: The objective of the question is to identify the statement that is not true for relative dating…

Q: A fossil is found to contain the radioactive parent and daughter isotopes uranium 235U, and lead…

A: INTRODUCTION The determination of the relative age of a rock is predicated on the principle of…

Q: The Americas (New World) was first peopled (colonized) approximately   1.5 million years ago.…

A: Colonisation refers to the large scale movement of individuals to a particular area and they settle…

Q: Name one or more common organisms that lived or lives during each of the three eras of geologic…

A: Answer: There are 3 main eras of geologic time : the Paleozoic, Mesozoic and Cenozoic era.

Q: Metagenesis takes place below the Earth's surface where temperature is less than 150°C . Select one:…

A: Answer : True

Q: Fossils are remains of ancient organisms found in the rocks are categorized depending on their age.…

A: The remnants and evidence of ancient species are known as fossils. The preserved remnants or traces…

Q: Anole lizards can be found on many islands in the Caribbean that share similar environmental…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Carbon-14 dating can be used to give an age for which of the following?   early hominids (~2…

A: Carbon 14 dating also called as radiocarbon dating. It is a method of age determination, depending…

Q: Based on the figure below, what is the number of turnovers in stage B? D 34 24 16 4 Geological…

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Q: What is a half-life? How is it used to date fossils? Give 2 or 3 examples of isotopes used for…

A: Geologists often use various techniques to find out the age of fossils. This method is also used to…

Q: If 1 meter equals 1 billion years and each millimeter is 1 million years, is 4.6 meters 4,600…

A: Given that we have to represent time on a linear scale with 1 metre equal to 1 billion years.…

Q: Humans have been around for only about years of the planet's 3.8 billion years in existence. 90,000…

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Q: The tool industry most often associated with Anatomically Modern Homo sapiens (AMHS) is referred to…

A: Homo sapiens are the only existing human species left on earth evolving since about 160,000 years…

Q: what element rise that caused the diversification event in evolution of earth

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Q: 1.Which mechanism of evolution (selection, drift, mutation, non-random mating, or gene flow) do you…

A: Evolution is the process by which one species changes over time/generations in terms of various…

Q: _is the study of the process of what happens to biological remains after an organism dies. This is…

A: Stratigraphy is the study of arrangement of rocks in layers or strata. Primatology is the study of…

Q: Which of the following is not thought to have been a source of organic molecules on early Earth?* O…

A: Cosmic dust

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A: Introduction Human evolution:- It is the lengthy process by which human beings developed on Earth…

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Q: Would you anticipate the DNA sequences of people living in what is now known as Italy in 1000BC to…

A: Genetics is the study of genes, their interactions, and the effect of environment on genes. Broadly…

Q: fill the blank     ___________comparisons affirm that all present lifedescended from a single common…

A: The living organisms have common descent is proved with the evidence by scientific research. This…