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Fossil A found closer to the surface compared to Fossil B. Which of the following conclusions can be made based on this statement?
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- Which conditions would NOT lead to good preservation of a dead hominin skeleton? Group of answer choices A: Dying in a very dry dessert B: Dying in the marsh alongside a lake C: Dying in an open grassland that is seasonally dry or wet. D: Dying in a caveWhy are indices better than simple measurements for comparing fossil specimensThe fossils in line 4 are blank the ones in line 1 of the diagram. A) much older B) much younger than C) slightly older than D) slightly younger than
- According to the film, First Steps, the first stone tools were associated with which species? A: None of the other answers are true B: Sahelanthropus tchadensis C: Homo habilis D: Australopithecus afarensisConsider three important fossil SITES in Canada. Name them. Put them in order from the oldest to the youngest. For each site, provide one phrase that captures the significance of the site.What was the fossilization process for the dinosaur bone in this sample? O A. preserved as is O B. mineralization OC mold then cast OD. impression
- Scientists find an artifact next to an index fossil. What can they conclude about the unknown age of the artifact? a The artifact is older than the index fossil. b The artifact is younger than the index fossil. c The artifact is approximately the same age as the index fossil. d The artifact's age is not related to that of the index fossil.What ARE possible explanations for how these individuals got into the cave? A. The Homo naledi individuals went into the cave to hunt animals B. The bodies were deliberately disposed in the cave by other Homo naledi individuals or other hominins C. There was a massacre D. The Homo naledi individuals lived in the cave and died thereTrue or false? Wrinkly textures in rock that formed from ancient biofilms living in marine sediments are considered trace fossils.
- What is unique about the specimen Ardi? A. Her skeleton was the largest ever found and she likely was over 8 feet tall. B. Ardi had a divergent big toe (like chimps) but femurs and hips that indicate she walked upright occassionally. C. All of the bones in her skeleton indicated she walked upright all of the time, just like us. D. She had a long, bony tail.What are the challenges of estimating the ages of old fossils?Explain how these challenges may be overcome in somecircumstances.Organism 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)