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Fundamentals of Life Science 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!

Page 1

Question 1 1. What constitutes a food web?

Question 2 2. In a typical ecosystem, what percentage of the energy produced by the autotrophs then consumed by the primary consumers will be passed along to the secondary consumers?

Question 3 3. What can an herbivore be categorized as?

Question 4 4. What is the most basic unit of life?

Question 5 5. The next level of complexity after the organ system is what?

Page 2

Question 6 6. What do ribosomes do in all living cells?

Question 7 7. Which of the following parts of a cell is the control center that contains DNA?

Question 8 8. Mitochondria are the organelles that produce energy for the cell. The amount of mitochondria in a given type of cell depends on its function. Which of the following cells would you expect to have the highest amount of mitochondria?

Question 9 9. Pancreatic cells are constantly producing proteins that function as digestive enzymes. Pancreatic cells need to have lots of _____ to produce these proteins.

Question 10 10. There is a metabolic pathway _____

Page 3

Question 11 11. Where do respiration and photosynthesis take place?

Question 12 12. Respiration and photosynthesis are _____

Question 13 13.

Which of the following statements does NOT represent the idea of heritability by acquired characteristics?

I. A body builder develops stronger muscles during the course of his life, so his son will be strong as well.

II. A cat that lost its tail will produce offspring with shorter tails.

III. Over time, a population of heavily striped zebras increased over those without as much striping, as the heavily striped ones had a competitive advantage over the zebras with fewer stripes, and were, therefore, better able to reproduce.

Question 14 14. Which of the following is NOT a principle of Darwin's theory of evolution?

Question 15 15.

Which of the following is an example of natural selection?

I. Albino animals are rare in nature because they are easy for predators to find.

II. The fastest gazelle is least likely to be eaten by a lion.

III. The gorilla that is strong enough to become alpha male is the most likely to pass on his genes.

Page 4

Question 16 16. Which is not a way carbon can return to the atmosphere?

Question 17 17. Photosynthesis is a process in plants that uses _____and produces energy and oxygen.

Question 18 18. What are the largest reservoirs for carbon on Earth?

Question 19 19. What is homeostasis?

Question 20 20. Which statement is true of an organ system?

Page 5

Question 21 21. Which of the following is not true of a system?

Question 22 22. Your genes have alleles, which are:

Question 23 23. Gene flow:

Question 24 24. How much genetic information do you get from each of your parents?

Question 25 25. The locus is _____.

Page 6

Question 26 26. Which of the following is NOT an example of a phenotype?

Question 27 27. An allele is _____.

Question 28 28. How many trophic levels does an omnivore feed on within an ecosystem?

Question 29 29. What would you compare the nucleus of the cell with?

Question 30 30. Select the gel-like substance that contains the organelles in a cell.

Fundamentals of Life Science 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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