Vocabulary Lesson 25

1. Vocabulary Lesson 25 The Roots –bio-and –viv-

2. -bio- The root –bio-is taken from bios, the Greek word for “life”

3. -viv- The root –viv- is taken from vivere, a Latin word meaning “to live”

4. 1. antibiotic- noun

5. 1. antibiotic- noun A substance that can kill, weaken, or slow the growth of germs

6. 2. biopsy- noun 1. Ms. Brinks had to get a biopsy of her tumor in order to determine if it was cancerous. 2. After the doctor took a biopsy of the mole, he found out it was not cancer. 3. Jeremiah has a biopsy taken of his liver in order to determine whether or not he was a match to become a donor.

7. 2. biopsy- noun The removal and study of tissue from a living thing to diagnose illness.

8. 3. biosphere- noun

9. 3. biosphere- noun The areas of Earth that can support life

10. 4. devitalize- verb 1. A bad case of the flu devitalized Ms. Duran 2. Lack of water and sunlight devitalized the plant, leaving it wilted and brown. 3. In order to devitalize a cold, you must feed it lots of liquids and Vitamin C.

11. 4. devitalize- verb To weaken or destroy the strength or energy of

12. 5. microbe- noun

13. 5. microbe- noun A life form so small it can only be seen with a microscope

14. 6. revive- verb 1. Rescuers worked to revive the man they pulled from the icy lake. 2. The student council voted to revive the custom of singing the school song each morning. 3. Two days of rest and medication helped to revive the woman after her illness.

15. 6. revive- verb To bring back to consciousness, life, health, or use

16. 7. symbiosis- noun Peanut plants live in a state of symbiosis with the nitrogen-fixing bacteria on their roots. The bird and the hippopotamus live in symbiosisbecause the bird cleans the hippo while the hippo provides the bird protection. Because John’s strength is Math and Jane’s strength is Science, their relationship is one of symbiosis.

17. 7. symbiosis- noun A close relationship among two or more living things, in which all involved benefit

18. 8. viable- adj A. The tiny hamster was not viable and soon died. After the devastating car accident, the doctors found that none of the woman’s organs were viable. Even though the horse was born two weeks early, the baby was still viable.

19. 8. viable- adj B. We need a viableplan to help us conserve energy. The businesswoman was a viable candidate to become the president of the advertising company. Although the politician strongly opposed the bill to raise taxes, he could not suggest a viable solution to the city’s economic problems.

20. 8. viable- adj Capable of living and developing Workable; effective

21. 9. vitality- noun

22. 9. vitality- noun Health and energy

23. 10. vivid- adj A.

24. 10. vivid- adj B. The soldier’s description of the battle was so vivid that we could almost hear the gunfire and smell the smoke. The author wrote in such vivid details that the characters and places were almost lifelike. The child had a vivid imagination and could dream up very creative stories.

25. 10. vivid- adj A. Bright and easily noticed B. Strong; clear; lifelike