Relative-Age Dating Absolute-Age Dating Younger 440 mya 480 mya 520 mya 545 mya Older 2. The dates shown in the diagram above refer to the ages of, SC.7.L.15.1 A original material. B. trace fossils. igneous rock layers. D sedimentary rock layers.

Q: What geologic evidence is left after a continent breaks apart?

A: Geology is a branch of earth sciences. This branch of earth sciences deals with both the liquid and…

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…

Q: The earliest fossil evidence of hominins outside of Africa dates to about

A: Hominin includes bipedal apes.

Q: Congrats! - your lab got a million dollars in funding to hunt for ancient lagoon deposits, and you…

A: Anything that is very ancient is termed as paleo. The study of these ancient or paleological…

Q: The scale of geologic time is difficult for anyone to comprehend, let alone a budding scientist. The…

A: The geological time scale helps in determining the age of the earth and the time zone under which a…

Q: Euprimates

A: Phylogeny of Primates: These are one of the most diverse orders of living mammals with 80 genera…

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: what does the Cambrian “explosion” refer

A: The early phase of the Paleozoic era that started 541 million years ago and lasted up to 485.4…

Q: The Cenozoic Era As you do the lab, fill in the last two columns for the Paleocene through the…

A: Introduction Evolution is the process by which different species are evolved over time in response…

Q: Which of the following is TRUE about the fossilization proccess: A. a stable enviornment is…

A: The question is asking us to identify the correct statement(s) about the fossilization process.…

Q: Macroevolution Answer the missing

A: Introduction: evolution refers to the change in a species' features over numerous generations as a…

Q: Which radioactive isotope or isotopes would you use to date each of the following objects? Explain…

A: Radioactive dating is considered a technique to determine the age of a material, where the ratio of…

Q: Taphonomy tells us ab0ut preservati0n biases in the fossil rec0rd. What kind of biases affect 0ur…

A: Taphonomy refers to the branch of paleontology (study of life history based on fossils) which is…

Q: Silurian Rhudering nStage Ordovician Period Hirnantian Stage Rawtheya n Stage A. ascensus N.…

A: The data suggest that extinctions were brought on by climate change. This is believed to have had a…

Q: Fund the KT Boundary Layer Found the DNA structure Found the DNA shape Described Natural Selection…

A: Evolution is the gradual change in the inherited traits of biological populations over many…

Q: The Cambrian Explosion occurred approximately 542 million years ago. During the Cambrian, what…

A: Cambrian period refers to the initial geological period of the Palaeozoic Era as well as Phanerozoic…

Q: How is the layer of iridium used to tell the relative age of different rock strata and fossils?

A: Relative age is that the age of a rock layer compared to other layers. It is often determined by…

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: Event How Long Ago? # Organisms Extinet Causes Cretaceous

A: Cretaceous extinction :  Cretaceous extinction took place about 66 millions ago . Organisms which…

Q: 69. Theoretically, radiocarbon dating (Carbon-14) can date materials that are at most   1.31…

A: Radiocarbon dating (also known as carbon dating or carbon-14 dating) is a method of determining the…

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: : 2. The Cambrian Explosion (approximately 550 mya to 450 mya) was a time of rapid diversification…

A: The Cambrian explosion or "Cambrian radiation" was an event that occurred approximately 541 million…

Q: diagram.

A: It is the technique used to determine which object or item is older in comparison to the other one.…

Q: The appearance of the first hominoids dates to the ___________ period. Triassic Jurassic Cretaceous…

A: A hominid refers to a group of human and human-like apes which belongs to the Hominidae family. The…

Q: On the geologic time scale, life originated in the_____ . a. Archean c. Phanerozoic b. Proterozoic…

A: The geologic time scale is a chronological dating system that classifies geological strata into…

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: 5. The Mesozoic Era extended over which of the following time periods in the fossil record? A. the…

A: Answer - B. The age of reptiles", from 251 million years ago to 65 million years ago.

Q: 1. The woolly mammoth lived from the Pliocene to the Holocene time period. Compare the temperature…

A: Answer: TEMPERATURE: It is the measure of the level of heatness and coldness.  It  can be measured…

Q: When was the first mass extinction?

A:

Q: Question 5: Give a brief description of the evolutionary changes that occurred throughout geologic…

A: A phylogenetic tree is a diagram that delineates the connections between a few species or groups of…

Q: Imagine that a species of flightless bird lived on the supercontinent Laurasia during the Jurassic…

A: The movement of tectonic plates in the geological time resulted in the splitting of single landmass…

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: Which of the following pieces of evidence prompted researchers to abandon the hypothesis that a…

A: Iridium is an element belong to the platinum group and is the rarest and most densest element. Its…

Q: The oldest Homo ergaster remains from East and West Lake Turkana are [ Select ] years old. (this is…

A: Homo eragaster translates to 'the working man' refers to the advanced tools used by this species as…

Q: B. Word Pool. Identify the term being described. Select your answer from the word pool below.…

A: By accretion from the solar nebula, Earth was created 4.54 billion years ago, or roughly one-third…

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: The most useful method for dating ancient calcium rich cave deposits would be Group of answer…

A: Answer :- Option (D) is correct. - Uranium-Thorium Dating.

Q: 2. Radiometric dating does not measure the age of an individual atom. It is a measure of the age of…

A: Radiometric dating is a technique used to date the carbons, fossils and rocks to analyze its age and…

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

A: Introduction : The rise in oxygen, which is termed the Great Oxygenation Event is an important event…

Q: Which later represent the oldest layer

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Q: Activity 1.3 Directions: Stu dy the Tree of Life on page 5 (Figure 1.3) to answer the following…

A: No matter how large or small an ecosystem is, it is essential to all life. Ecosystems rely on all of…

Q: Which of the following is the best way to measure the age of the Earth? O Examine rocks collected in…

A: Test the rate of decay of specific elements in rock samples

Q: - What method can scientists use to determine when the fossil above appeared on Earth? SC.7.L.15.1

A: Fossils should be studied in terms of time and occurrence for understanding evolutionary phenomena.…

Q: Use the following figure to answer questions 2 and 3. mya - million years ago 1,400 mya -1 bilkan…

A: Earth was formed in our solar system along with other planets, and its age is about one third of…