9) Rocks containing fossil evidence have been found in Canada suggesting how life on Earth evolved. What about the rocks led to this belief?   A) They contained graphite, a from of pure carbon.     B) They contained fossil evidence of human remains.     C) They were metamorphic rocks with traces of water.     D) They were extrusive rocks that came from the volcanic vents.

Q: Identify the true statement(s) about global temperatures across Earth's history.  (Note: may or may…

A: Given: Global temperature burden is increasing constantly around the globe. Earth's history has…

Q: In Miller’s original experiments on chemical evolution, which of the following molecules (gases) is…

A: When Earth formed 4.6 billion years ago from a hot mix of gases and minerals, it had almost no…

Q: Even though paleontologists and anthropologists are continually finding new fossils, there is still…

A: Even though paleontologists and anthropologists are continually finding new fossils, there is still…

Q: Understand the importance of the Miller-Urey experiments that recreated the conditions present in…

A: Stanley Miller and Harold Urey demonstrated in their experiment that UV radiations or electric…

Q: If we could capture the spectrum of an exoplanet, we may find evidence for life on that planet in…

A: Fossils are the evidences for the history of the life on earth, the remains of a organism or any…

Q: Please, need help with the explanation of the answer: During Chemical Evolution, what would one…

A: Chemical evolution describes changes in entities that do not necessarily need to be able to…

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: In Oct 2022, a chilling discovery was made in Vuvatu, a country known for its extensive volcanic…

A: "Given that this organism was never detected in the fossil record, it must be extraterrestrial"…

Q: In Oct 2022, a chilling discovery was made in Vuvatu, a country known for its extensive volcanic…

A: The objective of the question is to provide two reasons why the statement 'Given that this organism…

Q: During the first 600 million years of Earth history, enzymes, ATP , and other molecules could have…

A: The primitive earth was in the form of a red hot, solidified cloud containing free atoms. The…

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: State in what ways Stanley miller simulated the condition of :-i) Primitive atmosphere on earth.ii)…

A: Stanley miller performed an experiment to prove that organic molecules were produced by the…

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: What were conditions like on Earth when life first began? Be thorough here. What was the prebiotic…

A: Life is a characteristic of organisms that distinguishes them from non-living things. It is…

Q: Radiometric dating uses the decay of              to             to determine how old fossils of…

A: Radiometric dating determines the age of historical objects in years via measuring the occurrence of…

Q: What argument convinced most scientists in the 1800s that Earth was more than 6,000 years old? O The…

A: Introduction All life on earth began from the universal last common ancestor which lived 3 to 4…

Q: Geological time covers huge spans, up to billions of years. Yet humans rarely live for more than 100…

A: Geological time scale is important to understand the history of earth that how several natural…

Q: Miller and Urey

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

Q: Penguins are flightless birds, however, they still have wings. This is an example of a (the)…

A: Penguins having wings despite being flightless is an example of a vestigial structure. Vestigial…

Q: Nemo's mother produced thousand of eggs in hopes that at least a few would survive into 7)…

A: The term "life history strategies" refers to the different adaptations and reproductive behaviours…

Q: 29) The Cretaceous extinction. which was the most recent mass extinction, occurred about 65.5…

A: Natural selection, or evolution, is the process by which a species' features evolve over a number of…

Q: The term Anthropocene implies that

A: Epoch, in general, termed as a very important period of time in history

Q: Below are some key events that took place during the long history of life on Earth. Arrange them in…

A: Constant change has characterized earth since its beginning some 4.5 billion years ago. life…

Q: Cat DNA is much more similar to dog DNA than to tortoise DNA. Why? (a) Cats and dogs are both…

A: All living things have the same genetic material (DNA), comparable genetic codes, and the same…

Q: Genetic Code Central Dogma processes Similar to life on Earth? No Yes

A: The evidence available about the creature shows characteristics that are radically different from…

Q: You are a Triassic dinosaur. Which of the following would you have been able to do?

A: The Triassic period was a time of enhancement of land plants in which ferns were transcendent…

Q: Radioisotopes are useful in dating fossils and rocks because

A: Fossils  They are remains of animals which are preserved in ice or in deep underground or inside…

Q: Fact or theory? Organisms that look similar have been observed to have differences when preserved in…

A:

Q: "Given that this organism was never detected in the fossil record, it must be extraterrestrial."

A: The statement "Given that this organism was never detected in the fossil record, it must be…

Q: D Question 4 Which mass extinction led to the disappearance of the dinosaurs? O Triassic O…

A: The recurrent rise and disintegration of ice sheets and glaciers driven by the Milankovitch cycles,…

Q: During the Paleozoic, many life forms developed hard parts (shells/bones/etc.).  Why would it be…

A: Shelled animals, the majority of which are sea-based, come in a wide range of shapes and sizes.…

Q: 1) What piece of evidence initially convinced Dr. Alvarez that a mass extinction had occurred at the…

A: Fossils are the geologically preserved remains of previously lived animals, plants, or other living…

Abiogenesis