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Unit Activity: The Precambrian Earth
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Part 6
Reflect on the flow diagram to answer the following questions regarding the movement of
matter and energy within Earth's subsystems.
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hydrosphere
blosphere
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geosphere
atmosphere
Question 1
Why do you think the diagram uses double-headed arrows to represent the exchanges
occurring within Earth's subsystems?
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Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.
Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.
Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons