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A group of living communities interacting with one another and their shared physical environment is a(n)________.
Q5: Muscle contraction is caused by<br>A)movement of bones
Q17: Which of the following is a collection
Q23: Hormones often alter _ by turning a
Q30: Which of the following is a type
Q33: China's population _ is 137 people per
Q39: Why are viruses considered not to be
Q47: The flower is an organ that is
Q50: The structure that is highlighted in this
Q60: Which of the following sequences correctly describes
Q61: Which of the following plant hormones is