Lesson 2.04 Human Impact on Ecosystems

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1. What is an organisms “role” in the environment?
   1. Niche
   2. Extinct Species
   3. Kudzu
   4. Dead Zones

   Answer: a. Niche

2. What word refers to the earth or ecosystem maintaining or being in balance?
   1. Homeostasis
   2. Extinct Species
   3. Threatened Species
   4. Dead Zones

   Answer: a. Homeostasis

3. What are organisms that once inhabited the Earth but they no longer exist?
   1. Extinct Species
   2. Threatened Species
   3. Dead Zones
   4. Niche

   Answer: a. Extinct Species

4. Which type of organism probably has the greatest numbers of individuals in existence?
   1. Threatened Species
   2. Extinct Species
   3. Kudzu
   4. Dead Zones

   Answer: a. Threatened Species

5. This type of organism is introduced into an environment in which it does not naturally exist.
   1. Non-Native Species
   2. Extinct Species
   3. Threatened Species
   4. Kudzu

   Answer: a. Non-Native Species

6. Which of the following is an example of a non-native species in Alabama?
   1. Kudzu
   2. Non-Native Species
   3. Dead Zones
   4. Extinct Species

   Answer: a. Kudzu

7. What are low oxygen areas in the ocean that are increased by fertilizers from humans that wash into the waters and create an explosion of alga bloom that die and “suck up” oxygen from the surrounding water?
   1. Dead Zones
   2. Invasive Species
   3. Extinct Species
   4. Kudzu

   Answer: a. Dead Zones

8. This was passed in 1973 to help species who numbers are becoming so low that they face the possibility of becoming extinct.
   1. The Endangered Species Act
   2. NOAA
   3. Preservationist
   4. Invasive Species

   Answer: a. The Endangered Species Act

9. What would you call a person who tries to protect species by trying to eliminate human impact altogether?
   1. Preservationist
   2. habitat
   3. Kudzu
   4. NOAA

   Answer: a. Preservationist

10. Which of the following what represent the work of a Conservationist?
    1. A state setting a limit on the number of dove you can harvest per day or per year.
    2. Preservationist
    3. NOAA
    4. Kudzu

    Answer: a. A state setting a limit on the number of dove you can harvest per day or per year.

11. What is another name for a non-native species that negatively affects an ecosystem?
    1. Invasive Species
    2. Extinct Species
    3. Non-Native Species
    4. Preservationist

    Answer: a. Invasive Species

12. What agency is responsible for monitoring endangered and threatened marine and anadromous fish species?
    1. NOAA
    2. habitat
    3. The Endangered Species Act
    4. Kudzu

    Answer: a. NOAA

13. What is the physical environment that an organism occupies called?
    1. habitat
    2. Preservationist
    3. Invasive Species
    4. Extinct Species

    Answer: a. habitat

14. Complete the sentence: As the world’s population grows, the effect that humans have on the environment _____.
    1. increase
    2. decrease
    3. stay the same
    4. none of the above

    Answer: a. increase

15. Which of the following is a reason that humans have destroyed the environment?
    1. all of the above
    2. build places to live
    3. mine
    4. grow crops

    Answer: a. all of the above