Lesson 2.01 Population Growth in Ecosystems

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1. A group of organisms in of the same species that live in the same area is called a(n) ____.
   1. Population
   2. Limiting Factor
   3. Exponential Growth
   4. J-Curve

   Answer: a. Population

2. What determines the amount of organisms that an ecosystem can support?
   1. Limiting Factors
   2. Population
   3. Logistic Growth
   4. Exponential Growth

   Answer: a. Limiting Factors

3. This is how populations that have no limiting factors in the environment grow.
   1. Exponential Growth
   2. Carrying Capacity
   3. Logistic Growth
   4. J-Curve

   Answer: a. Exponential Growth

4. This is reached when the maximum number of organisms that an ecosystem can support indefinitely is obtained.
   1. Carrying Capacity
   2. Exponential Growth
   3. Logistic Growth
   4. J-Curve

   Answer: a. Carrying Capacity

5. The shape of the graph for a population who is experiencing exponential growth is a(n)
   1. J-Curve
   2. Predation
   3. Carrying Capacity
   4. Exponential Growth

   Answer: a. J-Curve

6. Which type of growth shows rapid growth followed by a gradual decrease and leveling off of population numbers?
   1. Logistic Growth
   2. Carrying Capacity
   3. Exponential Growth
   4. Limiting Factors

   Answer: a. Logistic Growth

7. What are limiting factors that are related to and affected by the size of the population?
   1. Density-dependent factors
   2. Density-independent factors
   3. J-Curve
   4. Predation

   Answer: a. Density-dependent factors

8. Factors such as flooding, drought, forest fires, clear-cutting, etc. are known as ____ factors.
   1. Density-independent factors
   2. Density-dependent factors
   3. Predation
   4. Competition

   Answer: a. Density-independent factors

9. A density-dependent limiting factor in which one animal depends on another for food/energy
   1. Predation
   2. Competition
   3. Parasitism
   4. Immigration

   Answer: a. Predation

10. A relationship within an ecosystem in which 2 different organisms “battle” for the same resource
    1. Competition
    2. Immigration
    3. Emigration
    4. Parasitism

    Answer: a. Competition

11. A relationship where one organism gets nutrients at the expense of the other
    1. Parasitism
    2. Competition
    3. Immigration
    4. Emigration

    Answer: a. Parasitism

12. The act of an organism moving into a new population
    1. Immigration
    2. Emigration
    3. Parasitism
    4. Predation

    Answer: a. Immigration

13. The act of an organism moving out of a population
    1. Emigration
    2. Immigration
    3. Predation
    4. Competition

    Answer: a. Emigration