Ques:Q: What is it called when body's internal environment is stable? Choices: - synchronicity - hypothesis - ketosis - homeostasis A:

Ans:homeostasis
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Ques:Q: Stimuli in the brain, stomach, and small intestine activate or inhibit production of what secretion? Choices: - metabolic juice - sweat - digestive juice - gastric juice A:

Ans:gastric juice
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Ques:Q: Before the atmosphere became oxygenated, the planet was subjected to what harmful energy source, meaning the first organisms would have flourished where they were more protected? Choices: - evaporation - conduction - convection - radiation A:

Ans:radiation
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Ques:Q: What branch of science is defined as the study of matter? Choices: - astrophysics - geology - biology - chemistry A:

Ans:
chemistry
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