Subjects
| Sections | |||
|---|---|---|---|
| Properties of Water | 21 mins | 0 completed | Learn |
| Acids and Bases | 14 mins | 0 completed | Learn |
| Additional Practice |
|---|
| Calculating pH |
Homeostasis means:
a. That a population changes over time
b. That conditions are held constant and do not change
c. That cells have enough water
d. That all organisms require an energy source
e. That conditions remain within a constant range
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