| A | B |
| Limiting factors are factors that cause _______ to decrease. | population growth |
| What do we call factors that cause population growth to decrease? | Limiting factors |
| Give five examples of limiting factors. | Competition, predation, parasitism and disease, unnatural climate extremes, human disturbances |
| Give 2 examples of unnatural climate extremes that can act as limiting factors. | Drought and ice ages |
| Give two examples of human disturbances that can act as limiting factors. | Deforestation and oil spills |
| What is a density-dependent limiting factor? | A density-dependent limiting factor is a limiting factor that affects denser populations more than less dense populations. |
| What is a density-independent limiting factor? | A density-independent factor is a limiting factor that affects dense populations just as much as less dense populations. |
| Give 3 examples of density-dependent limiting factors. | Competition, predation, parasitism and disease |
| Give 2 examples of density-independent factors. | Unnatural climate extremes and human disturbances |