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Requirements of Biological Systems Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Which best describes homeostasis?

Question 2 2. Which is an important reason that cells need to maintain homeostasis?

Question 3 3. Why is photosynthesis an important process?

Question 4 4. What important thing do autotrophs do?

Question 5 5. Which is true about free energy and matter?

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Question 6 6. What is diffusion?

Question 7 7. What do endotherms do?

Question 8 8. Which hormone is responsible for signaling the storage of blood glucose?

Question 9 9. During birth, pressure from a baby's head triggers contractions, which push the baby creating more pressure, which triggers more contractions. This is an example of which type of feedback?

Question 10 10. Which best describes photosynthesis?

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Question 11 11. Why is negative feedback not a negative process?

Question 12 12. What is the term for an error in a feedback system?

Question 13 13. What is likely the most important factor for life on Earth?

Question 14 14. Which best describes homeostasis?

Question 15 15. What is the barrier that protects a cell from its external environment?

Requirements of Biological Systems Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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