Radiometric dating Guides d'étude, Notes de cours & Résumés

Q1: In calculating the size of Earth, Eratosthenes used assumption or knowledge that: Select one: a. Earth is a sphere b. Sun is far away, so that sun rays reach Earth in parallel c. Sun shone directly above a deep well d. Sun cast a slight shadow at some distance from the deep well e. All of the above correct answers e. All of the above Q1: There were multiple estimates for the age of Earth. They include: Select one: a. The age is about 6000 years according to a reading of the Bibl...

EVE 100 Exam Study Questions With Answers | 100% Verified . You collect 1000 Drosophila from a pumpkin patch. You remove 5 females and 5 males to found a new population X, and keep the remainder at constant population size of 1000 as a control. After a few generations population X has grown to 1000 individuals, identical in size to the control population. Answer the following questions and give a brief explanation: Does population X have a higher or lower effective population size than the c...

Sections 2.1 - 2.5 summarize evidence for Evolution. Some evidence had been available to Darwin and his contemporaries, but the majority of the evidence came later, in the 20th century. For example, Darwin was aware of the following: Answer Vestigial structures Geological evidence for mass extinctions Succession in the fossil record Structural and developmental homologies The evidence from biogeography, based on occurrence of closely related species in groups of islands (such as the Galapago...

ERSC 181 Week 8 Final Exam 2023 – Review Questions and Answers. In the rock cycle, what processes directly link igneous rocks to metamorphic rocks? compaction and cementation melting and crystallization deposition and lithification recrystallization by high heat and pressure weathering and erosion Question 3 2/2 points The primary basis for classifying detrital (clastic) rocks is _______, whereas the primary basis for classifying chemical rocks is ________. particle size ; mineral co...

Biology 180 Exam Quiz’s 2023 (Verified Questions and Answers) Score 100% Why is it important that they assigned trees to the infected versus uninfected groups at random? If assignment was not random, the result could be do to something other than the difference in infection 10. If the hypothesis is wrong, and being infected with the fungus has no impact at all on reproduction, what should they observe? There will be no difference in the number of seeds produced by infected versus uninf...

Anthropology Study of the origins and development of people and their societies AAA's Code of Ethics -Do No Harm -Be Open and Honest About your Work -Obtain Informed Consent and Permissions -Weigh Competing Ethical Obligations -Make Results Accessible -Protect and Preserve Records Adaptation refers to the processes by which organisms cope with environmental forces and stresses Archaeology reconstructs, describes, and interprets human behavior and cultural patterns through mater...

Geomorphology correct answers study of the shape of the Earth's features and how they change over time Present era of timescale correct answers Cenozoic era Radiometric dating correct answers rate of radioactive decay of rock elements to determine the age of rocks Timescale for geologic change correct answers history of the Earth since its formation as spanning a single 24 hour day, long time frame, relatively short period of evolving life forms Endogenic correct answers internal pr...

Biology-B, Unit 1 Exam (2023/2024) Graded A convergent evolution the appearance of apparently similar structures in organisms of different lines of descent homologous structures structures derived from a common ancestor or same evolutionary or developmental origin vestigial structures an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species evolution the process by which different kinds of living organisms are thought to have develop...

EVE 100 Practice Questions With Answers Updated 2023/2024 (Graded 100%). List one piece of evidence from the fossil record that shows that evolution is a gradual process with many intermediate types. 1.Gradual evolution of morphology of flatfish; took many intermediate steps for eyes to transition from center of body to one side 2. Red deer dwarfing on Jersey from 200kg to 36kg within 6,000 years. VERY GRADUAL CHANGE 3. Give an example of two organisms which share wings as a synapomorphy, ...

EVE 100 Exam Study Questions With Answers Latest 2023/2024 | 100% Verified. You collect 1000 Drosophila from a pumpkin patch. You remove 5 females and 5 males to found a new population X, and keep the remainder at constant population size of 1000 as a control. After a few generations population X has grown to 1000 individuals, identical in size to the control population. Answer the following questions and give a brief explanation: Does population X have a higher or lower effective population...