QUESTIONS |
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| Two species may interact in a variety of different ways. The interactions may be positive, negative or simply neutral to the organisms involved. | ||
| (i) | Complete the table below which summarises some interactions | |
| Interaction | Effect on species 1 | Effect on species 2 | Explanation |
| Predation | + | - | Species 1 kills and eats species 2 |
| Parasitism | |||
| Mutualism |
(4) |
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| (ii) | Explain why intraspecific competition may be described as a density-dependent factor affecting population growth | |
(2) |
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