Use each of the terms below only once to complete the passage. carrying capacity population density density dependent randomly density independent spatial distribution growth rate Some characteristics that all populations have include (1) (2) and (3) .. Populations tend to be dispersed (4). uniformly, and in clumps. Populations also tend to stabilize near the (5) of their environment. Factors that limit populations are either (6) or (7)

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**Population and Limiting Factors Worksheet**

### Completion Exercise
Use each of the terms below only once to complete the passage.

- carrying capacity
- density dependent
- density independent
- growth rate
- population density
- randomly
- spatial distribution

Some characteristics that all populations have include (1) __________, (2) __________, and (3) __________. Populations tend to be dispersed (4) __________, uniformly, and in clumps. Populations also tend to stabilize near the (5) __________ of their environment. Factors that limit populations are either (6) __________ or (7) __________.

### Table: Population-Limiting Factors

Complete the table by checking the correct column(s) for each description.

| Description                              | Density Dependent | Density Independent |
|------------------------------------------|-------------------|---------------------|
| 8. Earthquake-related tsunami            |                   |                     |
| 9. Intense competition for a food source |                   |                     |
| 10. Influenza epidemic                   |                   |                     |
| 11. Flooding due to a hurricane          |                   |                     |
| 12. Change in the number of predators    |                   |                     |

### True or False Statements

13. Population-limiting factors keep a population from increasing indefinitely.

14. Density-independent factors include parasites and disease.

15. On Isle Royale, the population of moose decreased as the population of wolves decreased.

16. Competition can occur within a species or between two different species.

---

**Instructions for Educational Use:**

- **Fill in the blanks** in the passage using the terms provided to understand the basic characteristics of populations.
- **Complete the table** by identifying whether the factors listed are density dependent or density independent.
- **Assess the statements** for truthfulness and make corrections as needed for clarification on population-limiting factors.

This worksheet helps in understanding how various factors affect populations in ecosystems and how they interact to stabilize or destabilize population numbers.
Transcribed Image Text:**Population and Limiting Factors Worksheet** ### Completion Exercise Use each of the terms below only once to complete the passage. - carrying capacity - density dependent - density independent - growth rate - population density - randomly - spatial distribution Some characteristics that all populations have include (1) __________, (2) __________, and (3) __________. Populations tend to be dispersed (4) __________, uniformly, and in clumps. Populations also tend to stabilize near the (5) __________ of their environment. Factors that limit populations are either (6) __________ or (7) __________. ### Table: Population-Limiting Factors Complete the table by checking the correct column(s) for each description. | Description | Density Dependent | Density Independent | |------------------------------------------|-------------------|---------------------| | 8. Earthquake-related tsunami | | | | 9. Intense competition for a food source | | | | 10. Influenza epidemic | | | | 11. Flooding due to a hurricane | | | | 12. Change in the number of predators | | | ### True or False Statements 13. Population-limiting factors keep a population from increasing indefinitely. 14. Density-independent factors include parasites and disease. 15. On Isle Royale, the population of moose decreased as the population of wolves decreased. 16. Competition can occur within a species or between two different species. --- **Instructions for Educational Use:** - **Fill in the blanks** in the passage using the terms provided to understand the basic characteristics of populations. - **Complete the table** by identifying whether the factors listed are density dependent or density independent. - **Assess the statements** for truthfulness and make corrections as needed for clarification on population-limiting factors. This worksheet helps in understanding how various factors affect populations in ecosystems and how they interact to stabilize or destabilize population numbers.
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