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2025-2026_MDCPS_2000315_Biology_1_A-CR
Unit Test — Unit test
Question 21
21
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Multiple Choice
Unit Test — Unit test
Question 21 • 2025-2026_MDCPS_2000315_Biology_1_A-CR
Which best defines homeostasis?
Answer
A
modifying the external environment
B
maintaining a stable internal environment
C
controlling what enters and exits the cell
D
movement of materials into the cell
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