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Which of the following statements about change in ecosystems is true? a. Ecosystems experience change through human activity only. b. Ecosystems experience change through natural events only. c. Ecosystems experience no change. d. Ecosystems experience change through human activity and natural events. Please select the best answer from the choices provided A B C D
Answers: 3
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Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,
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Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.
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Which of the following statements about change in ecosystems is true? a. Ecosystems experience chang...
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