Ecological Processes Identification
This scenario illustrates key ecological concepts related to population dynamics and species interactions.
Analysis of Processes
- Local extinction: The removal of plant species Q directly led to the disappearance of the local butterfly population, signifying a local extinction event. The butterfly's dependency on Q for food caused this.
- Re-colonisation: The subsequent arrival and establishment of a population of the same butterfly species from another location demonstrate re-colonisation. This new population maintained its original feeding behaviour on plant P.
- Inbreeding depression: This process involves reduced biological fitness in a population due to breeding among related individuals. It is not directly evidenced or implied by the information provided in the scenario.
- Changing trophic levels: While the butterfly changed its food source from P to Q, it remained a herbivore. This represents a dietary shift within the same trophic level, not a change in its overall position in the food web (trophic level).
Conclusion on Occurred Processes
Based on the analysis, the primary processes that occurred are:
- Local extinction
- Re-colonisation
Important Questions from Community interactions
- Which one of the following is a result of antagonistic coevolution?
- Observations of algal species showed that their diversity was higher in pools where there were grazing snails compared to pools without snails. Which one of the following statements best explains this result?
- Which one of the following ecological processes best explains the observation thatseedling establishment increases with distance from the parent tree in a forest?
- Depending on soil nutrient availability, which one or more of the following interaction(s) can occur between soil mycorrhizal fungi and plants?
Two co-occurring plant species, A and B, flower at the same time. They are visited by the same pollinator species. If these plants are pollinator-limited, then which one or more of the following statements is/are correct with regard to the figure shown below?
