Use the following figure to answer questions 2 and 3. mya - million years ago 1,400 mya -1 bilkan YINS Iga 4,600 mya: Formation of Burth 4000 mya Present day 3,500 mya Okdest known fosl 3,000 myn 2,000 mya | 2000 mya: First multiceled organiams 1,000 myu 2. How old is the oldest known fossil? 3. How much time passed between the Earth's formation and the appearance of the first multicellular organ- ism?
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Q: Question: Which of the following puts the events in the history of life in the correct order?
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Q: Which era is furthest in the past? O A. Cenozoic O B. Mesozoic O C. Paleozoic O D. Precambrian
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Q: Relative-Age Dating Absolute-Age Dating Younger 440 mya 480 mya 520 mya 545 mya Older 2. The dates…
A: Ans: C: Igneous rock layers
Q: radiometric dating
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Q: - What method can scientists use to determine when the fossil above appeared on Earth? SC.7.L.15.1
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A:
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A: Archaic Homo sapiens were present approximately 400,000 to 125,000 years ago.
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Q: Based on the fossil record, when did hominins first appear in Africa? Group of answer choices ~ 12…
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A: 1. Answer of question 1 is right 2.Answer of question 2 is wrong cenozoic era is the age of mammals…
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- Based on the fossil record, when did hominins first appear in Africa? Group of answer choices ~ 12 kya ~ 6 mya ~ 12 mya ~ 2 mya ~ 6 kyaThe earliest evidence for life is closest to what age? OA. 5.4 Ga OB. 15 Ga O C. 600 Ma OD. 3.25 GaOrganism A lived from 410 to 60 million years ago. Organism B lived from 200 to 100 million years ago. Which organism will be the better index fossil? (1)
- For this activity, you will be reviewing the geological time scale in the module readingassignment from the Geological Time chapter in the PRI Digital Atlas of Ancient Life –online textbook and the Earth History chapter from the OER Commons Earth ScienceTextbook. Use the images of the geologic time scales in your readings to help you makeyour Geologic Time Scale concept sketch nstructions:Sketch and label a geologic time scale. Include dates of the following events in EarthHistory on your time scale in the appropriate time period (you may have to look these up onthe internet but most are listed in your readings). First appearance of free oxygen in the atmosphere Earliest fossils Oldest animal fossils Great Dying Extinction (worst mass extinction at end of the Permian Period) – alsoexplain possible causes of this extinctionArchaeopteryx sp. appeared First Flowering PlantsTyrannosaurus rex appeared K-T Extinction event (Dinosaurs died out) – also explain possible causes of…Match each of the following key events in the history of Earth and life with its approximate date, in million of years ago (mya). Options:4600mya,1000mya,4000mya,200mya,6mya,300mya,2500mya,635mya,130mya,150mya,2000mya,500mya,400mya,541mya, 0.15mya First Dinosaurs and mammals First Cell First multicellular organism First amphibians Increase in atmospheric oxygen First Reptiles First hominis Cambrian explosion First birds Homo sapiens (modern humans) First fish Formation of Earth First Animals Rise of flowering plants First eukaryotic cellThe Cenozoic EraAs you do the lab, fill in the last two columns for the Paleocene through the Miocene Epoch Dates Primate Event Species Holocene 10 kya - present Pleistocene 2.5 mya – 10 kya Pliocene 5 – 2.5 mya Miocene 23-5 mya Oligocene 34-23 mya Eocene 55-34 mya Paleocene 65-55 mya
- Question: Which of the following puts the events in the history of life in the correct order? A- Permian Extinction; Tiktaalik; Pleistocene Megafaunal Extinction; Precambrian Era B- Precambrian Era; Tiktaalik; Permian Extinction; Pleistocene Megafaunal Extinction C- Pleistocene Megafaunal Extinction; Permian Extinction; Precambrian Era; Tiktaalik D- Tiktaalik; Permian Extinction; Precambrian Era; Pleistocene Megafaunal Extinction E- Precambrian Era; Permian Extinction; Tiktaalik; Pleistocene Megafaunal ExtinctionAccording to the fossil record the first evidence of life was ___ years old: a) 3.5 Billion b) 4.5 Billion c) 2.5 Billion d) 3.5 Million e) 2.5 MillionQuestion 1: Mass extinction ocurred on the following time and era except for: A. Mesozoic B. Precambrian C. Paleozoic D. Cenozoic E. All of the answers are correct Question 2: Why would Precambrian Time did not have a lot of fossils? A. fossils were destroyed by extreme heat and pressure. B. soft bodied animals do not leave a lot of fossils. C. majority of the fossils during Precambrian time underwent chemical transformation D. paleontologists haven’t recovered much of the remains of ancient organisms. Question 3: Transgenic organisms have also been developed for commercial purposes most importantly in the agricultural sector. Perhaps the most famous examples are food crops like soy and corn that are now highly resistant to various types of pests. These transgenic organisms are commonly produced by: A. addition, deletion of modification of genes B. gene sequences and programming C. inducing genetic mutations D. genetic transformation by bacteria E. identifying chromosomal…
- Which of these geologic time periods have been defined by a major extinction event? Select all that apply. A. Permian B. Jurassic C. Quaternary D. Cretaceous E. CambrianIn which type of rock are you most likely to find a fossil? a. basalt, a dark, fine-grained volcanic rock b. limestone, composed of sedimented calcium carbonate c. slate, a volcanically melted and cooled shale d. granite, which forms by crystallization of magma cooling below Earth’s surfaceWhich item is best dated using the potassium-argon (K-Ar) method? Group of answer choices A: Cave layers in South Africa B: stone tools C: Ancient dinosaur bones D: organic materials E: Lava flows found in the Olduvai Gorge