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Requirements of Biological Systems: Homework Help 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 photosynthesis?

Question 2 2. What is diffusion?

Question 3 3. What is the barrier that protects a cell from its external environment?

Question 4 4. What is likely the most important factor for life on Earth?

Question 5 5. What do endotherms do?

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Question 6 6. 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 7 7. Why is photosynthesis an important process?

Question 8 8. What is the term for an error in a feedback system?

Question 9 9. Which is true about free energy and matter?

Question 10 10. Which best describes homeostasis?

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Question 11 11. Which hormone is responsible for signaling the storage of blood glucose?

Question 12 12. Which best describes homeostasis?

Question 13 13. What important thing do autotrophs do?

Question 14 14. Which is an important reason that cells need to maintain homeostasis?

Question 15 15. Why is negative feedback not a negative process?

Requirements of Biological Systems: Homework Help 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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