I. Matching: Match the word on the left with the appropriate definition.B. white blood cells that ingest and destroy
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.
____________________ Maple trees in a
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 __________________
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.
This type of area is known as the steppes in Russia, the pampas in
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.