🧬 Topic Summary
Interspecific competition occurs when different species compete for the same limited resources in an ecosystem, such as food, water, light, or space. This competition can affect the population size, distribution, and even the survival of the competing species. Understanding these interactions is crucial for comprehending the dynamics of ecological communities and the processes that drive evolution.
Competition can manifest in various forms, including direct confrontation and indirect resource depletion. The outcome often depends on the relative competitive abilities of the species involved and the specific environmental conditions.
🧫 Part A: Vocabulary
Match the terms with their definitions:
| Term |
Definition |
| 1. Niche |
A. The role and position a species has in its environment |
| 2. Resource Partitioning |
B. Dividing resources to reduce competition |
| 3. Competitive Exclusion Principle |
C. Two species can't coexist if they have the same niche |
| 4. Fundamental Niche |
D. The potential ecological space a species can use. |
| 5. Realized Niche |
E. The actual ecological space a species occupies. |
🧪 Part B: Fill in the Blanks
Interspecific competition is a key factor shaping ecological communities. When two species compete for the same ________, it can lead to one species being more successful than the other. This can result in ________ ________, where one species is eliminated from the area. However, species can also evolve to reduce competition through ________ ________, where they utilize different parts of the resource. Understanding these interactions is crucial for understanding ________ ________ and species survival.
🤔 Part C: Critical Thinking
Describe a real-world example of interspecific competition and explain how the competing species have adapted or been affected by this interaction.