Name ____________________________________ Lecture Activity #14

In the space write the word True or the word False for each statement.

 

1.     __________ The ozone layer is a layer of gas that surrounds the earth.

2.    __________ Radiation has no effect on living things.

3.    __________ Fungi obtain energy by decomposing living things.

4.    __________ The biosphere contains two regions, air and water.

5.    __________ Minerals are abiotic factors in the environment.

 

Each of the following statements is false. To make the statement true, write a replacement word for each underlined word.

 

6.    ____________________ Maple trees in a Vermont forest are considered an

                                   ecosystem.

7.    ____________________ Mosquitoes constitute a community.

8.    ____________________ A habitat is composed of many populations.

9.    ____________________ Maple trees produce organic food molecules                                                       through the process of respiration.

10.____________________ Several organisms can occupy the same habitat

                                   but not the same community.

 

Match the term on the right with the definition on the right.

 

11. _____ an organism that makes food                       A. carnivore

12. _____ an organism that eats both plants and        B. consumer

               animals                                                     C. decomposer

13. _____ a plant eater                                             D. food chain

14. _____ a relationship among organisms in            E. food web

              which each is linked to another that it      F. herbivore

              eats, absorbs, or decomposes                     G. omnivore

15. _____ an organism that eats mainly animals       H. producer

16. _____ a network of interconnected food chains  

 

Complete the sentences

 

17. The regular exchange of elements between the living and nonliving

      parts of an ecosystem is called a ______________________________________.

18. _____________________is recycled in an ecosystem but __________________

      is not.

 

19. The range of conditions under which an organism is able to function

      and survive are ____________________________________ for that organism.

20. Secondary succession is the return of an area to its previous stable

      condition after ______________________________________________________.

 

Where Am I?

 

Based on these partial descriptions, determine the type of biome mentioned.

 

21. We live between the Tropic of Cancer and the Equator. There is usually a wide range of temperature between day and night. The soil is very sandy with a high pH and there are few plants. We get only about 2-4 inches of rain each year. I see many reptiles but most are nocturnal.

 

___________________________________________

 

22. Our house is between 50º N and 60º N latitude. The winters are very cold so that most of the precipitation is in the form of snow. The trees are cone shaped so that the snow rolls down the sides of the tree without damaging it. Our summer is short and lasts only 2-4 months.

 

___________________________________________

 

23. This type of area is known as the steppes in Russia, the pampas in South America and the prairies in the United States. Even though we get 30-40 inches of rain during the year it is not distributed equally over the four seasons. Few trees are found here but the topsoil can be deep.

 

___________________________________________

 

24. We have four seasons. It is warm during the summer and cold in the winter. Most of the trees lose their leaves in the fall. Many birds migrate to a warmer climate just before winter comes. We have snow during the winter and I like to watch the animals like the squirrels, raccoons and deer throughout the seasons.

 

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