Simple Organisms Quiz h completion



Download 74,35 Kb.
Date conversion16.04.2017
Size74,35 Kb.
Simple Organisms Quiz - H

Completion

Complete each sentence or statement.

1. A virus can multiply only when it is inside a living ____________________.

2. The ability to ____________________ is the only characteristic that viruses share with living organisms.

3. Although viruses are nonliving, they act like ____________________ because they harm the cells in which they multiply.

4. All viruses have two basic parts: a protein coat that protects the virus and an inner core made of __________ __________.

5. A virus’s _________________________ contains the instructions for making new viruses.

6. The shape of the ____________________ on a virus’s coat allows the virus to attach to certain cells.

7. Bacteria are called ____________________ because their genetic material is not contained in nuclei.

8. Bacterial cells contain structures called ____________________, which are chemical factories where proteins are produced.

9. Some bacteria move by using a long, whiplike structure called a(n) ____________________.

10. Some bacteria are called ____________________ because they break down large chemicals in dead organisms into small chemicals.

11. Bacteria are involved in oxygen and food production, environmental recycling and cleanup, and in health maintenance and ___________ production.

12. Bacteria that survive in the presence of an antibiotic are said to be ____________________ to the antibiotic.

13. A(n) ____________________ is a substance that stimulates the body to produce chemicals that destroy viruses or bacteria.

14. Protists are _______________ that cannot be classified as animals, plants, or fungi.

15. Dinoflagellates and diatoms are examples of plantlike protists, which are commonly called ____________________.

16. Algae are divided into groups based on their _____________.

17. Protozoans are divided into groups based on their methond of _________________.

18. Sarcodines and ciliates are two groups of _________________, which are animal-like protists.

19. An amoeba moves and feeds by forming temporary bulges of the cell membrane called ____________________.

20. One of the characteristics of fungi is that they use ____________________ to reproduce.

21. Fungi are like plants because their cells have ______ __________ for structure and support.

22. Fungi break down food by releasing _________________________ from the tips of their hyphae.

23. Fungi that break down the chemicals of living host organisms are examples of ____________________.

24. A(n) ____________________ consists of a fungus and either an alga or an autotrophic bacterium that live together in a mutualistic relationship.

25. The antibiotic ____________________ resulted from the work of Alexander Fleming, who noticed that bacteria did not grow near a spot of mold in a petri dish.



Short Answer

Use the diagram to answer each question.

26. Identify the two protists shown in the diagram, and tell whether each protist is animal-like, funguslike, or plantlike.


27. Identify the structures labeled B in the diagram and describe their function.

28. Identify the structure labeled C in the diagram and describe its function.

29. State whether each protist shown in the diagram is a heterotroph, an autotroph, or both.


30. What is the function of the eyespot in Protist 2?




Essay

31. Describe the basic structures of viruses and explain their roles.


32. How do bacterial cells differ from the cells of eukaryotes?
33. Some people believe that taking antibiotics will help them recover more quickly when they have the flu. Explain what is wrong with this reasoning.

34. Explain why protists are sometimes referred to as the “odds and ends” kingdom.



35. The mold that grows on a slice of bread looks very different from a mushroom. Explain why both organisms are classified in the same kingdom.

36. Before the 1900s, people learned that wounds sometimes healed more quickly if a piece of moldy bread was placed on the wound. Why did this treatment sometimes work?


The database is protected by copyright ©sckool.org 2016
send message

    Main page