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Penn Foster Intro To Biology Proctored Exam
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Penn Foster Intro To Biology Proctored Exam
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25 Questions

1. Study the following food chain: Grass -> Rabbits -> Snakes -> Hawks. From this food chain, you can correctly assume that each population:

2. The most diverse and prevalent organisms on earth are:

3. What type of reproduction shuffles the genes?

4. Which one of the following choices presents a condition required for the Hardy-Weinberg principle to be in effect?

5. If a piece of DNA breaks off from a chromosome and attaches itself to a nonhomologus chromosome at another location, what type of change has occurred?

6. In plants, what type of tissue is responsible for transporting water and nutrients?

7. Fungi are considered to be more closely related to animals instead of plants because they:

8. Which of the following is the correct definition of carrying capacity?

9. A species particular position in a community is its:

10. What happens when previous adaptations are no longer suitable for changes in the environment?

11. How does mitosis in plant cells differ from that in animal cells?

12. One parent has curly hair, one parent has straight hair, their child has wavy hair. This is an example of:

13. Which of the following occurs in the cristae of the mitochondria?

14. ___ chromosomes are found in pairs, one from father and mother

15. Which of the following is the largest?

16. Which of the following is NOT a domain of the 3 domain system?

17. The most common cause of desertification is:

18. How many cotyledons would be found in a flowering plant with 9 petals on each flower and long leaves with parallel leaf veins?

19. During development, an embryo is embedded in the:

20. What is the internal lining of many organs called?

21. Autosomes are ___ chromosomes

22. Which of the following was one result of the 'Green Revolution'?

23. Which one of the following pollutants is responsible for the increase in skin cancer?

24. If a cell has 46 chromosomes, how many will it have after meiosis?

25. What does electronegativity mean?

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