Having trouble with the calculations, especially the last 4. Any help would be great thanks

lods (see table). The Geologic Timescale ERA PERIOD REMARKS Myrs Large ice sheets centered on Earth's poles. Large Neogene mammals abundant (e.g., mastodons, mammoths); 23-0 Cenozoic Tertiary* earliest human ancestors appeared. Age of Mammals began. First large mammals on land Paleogene and in the ocean (e.g., whales, elephants, horses, 66-23 bears); radiation of echinoids. Dinosaurs dominated the earth. First grasses and Cretaceous flowering plants appeared; dinosaurs wiped out by an extinction event at the end of the period; ammonites 145-66 abundant. Mesozoic Jurassic Atlantic Ocean began to form. First birds appeared; dinosaurs and flying reptiles (pterosaurs) common. 200-145 Pangaea began to split apart. Reptiles dominated the Triassic earth; earliest mammals and dinosaurs appeared; first 251-200 conifers; modern corals developed. Permian Much marine life was wiped out in most massive 299-251 extinction known at the end of the Permian. Pennsylvanian** Appalachian Mountains formed when North America (Late Carboniferous) collided with Africa. Insects and early reptiles on land; 318-299 first evergreen trees appeared, earliest forests. Mississippian** Shallow tropical oceans covered much of the interior of 360-318 (Early Carboniferous) North America. Marine fossils in limestone common. Age of Fishes. First land vertebrate animals (tetrapods: Paleozoic Devonian amphibians); first seed plants, trees, and forests. 416-360 Insects on land as well. First primitive plants occur on land (ferns, mosses) Silurian First fish with jaws appeared; much of North America 444-416 was under a shallow tropical sea with abundant reefs. Ordovician North America was near the equator. Abundant marine 488-444 life Explosion of organisms with hard skeletons (that can be Cambrian easily preserved as fossils) occurred at beginning of 542-488 Cambrian; trilobites flourished. Fossils rare in Precambrian rocks. Soft-bodied Precambrian organisms present in the youngest Precambrian rocks; 4,600-542 dominated by single-celled life.Information Quiz navig Geological Time Metaphor: Football Field Flag question Read the background information provided on the Geologic Timescale (opens in new tab; same page linked under Lab 6 Resources). Finish attemp MAKE A COMPARISON: All of geologic time is proportional to the length of a football field (100 yards). Earth would have formed at the opposing team's goal line (100 yards) and present day would represent the home team's goal line (0 yards) Earth formed Oldest fossil bacteria First atmospheric oxygen 10 20 30 40 50 40- 30- 29 19 Oldest animal fossil (jellyfish) Hard skeletons (fossils) common First land plants Dinosaurs extinct Think of this metaphor like a unit conversion, converting time into distance: Metaphor Equation: Metaphor value in distance = ( Years before present / Age of Earth in years) x Metaphor maximum in distance Example: . Oldest fossil bacteria = 3500 million years old . Age of Earth = 4600 million years . Metaphor maximum = 100 yards Metaphor value = (3,500,000,000/4,600,000,000) x 100 = 76 yards. Age of Earth = 4600 million years . Metaphor maximum = 100 yards Metaphor value = (3,500,000,000/4,600,000,000) x 100 = 76 yards Key metaphor dimensions: . 100 yards = 4600 million years . 10 yards = 460 million years 1 foot = 15.3 million years 1 inch = 1.3 million year . 1 yard = 46 million year Distance from home Time Event goal line million years) 76 yards 3500 Oldest fossil bacteria 26 yards 1200 Oldest known animal fossil (jellyfish) 12 yards 542 Hard skeletons become common fossils) 10 yards 458 First land plants (ferns, mosses) ? yards 251 Widespread extinction ends Paleozoic Era 1.4 yards 65 Dinosaurs become extinct 0.00036 inches 0.00051 Columbus landed, 1492 Question 1 Calculate the yardage of the following events, you may need to use the Not yet reference document above to get the correct dates. How many yards would answered each of these be from the home goal line? (When in doubt, use the Points out of oldest/highest possible age in a range. Round to the nearest whole number) 8.00 Extinction at the end of the Paleozoic Era = yards10 yards 458 First land plants (ferns, mosses) ? yards 251 Widespread extinction ends Paleozoic Era 1.4 yards 65 Dinosaurs become extinct 0.00036 inches 0.00051 Columbus landed, 1492 Question 1 Calculate the yardage of the following events, you may need to use the Not yet reference document above to get the correct dates. How many yards would answered each of these be from the home goal line? (When in doubt, use the Points out of oldest/highest possible age in a range. Round to the nearest whole number) 8.00 . Extinction at the end of the Paleozoic Era = yards Flag question . Breakup of Pangaea = yards . Formation of Applachian Mountains = yards . Appearance of large mammals like wooly mammoths = yards Now consider yardage ranges. How many yards represent the time range when the following would be true? (Round at the end, to the nearest whole number . The Age of the Dinosaurs (Mesozoic Era)? = yards . The Precambrian Era = yards . Human history, so far = yards . Your life, so far = yards