Question

Analyze the data table below. This table shows three different plant species and how many seeds were produced by each species through three different methods: wind pollination, insect pollination, and self-pollination.

Data Table:



Based on the data, explain how the different methods of pollination affect the reproductive success (measured by seed production) in the three plant species and overall. What conclusions can you draw from this data? In your response, consider how the number of seeds produced correlates with each method of pollination and discuss possible reasons for these results. A thorough response should be at least 3-5 sentences.

You may use the following sentence starters to help formulate your response if needed:

Based on the data, the method of pollination that led to the highest seed production was __________, which shows that this method was most successful for reproduction.
From the data, I can conclude that different pollination methods affect seed production because __________, possibly due to differences in...
(3 points)

Answer 1

Based on the data, the method of pollination that led to the highest seed production was insect pollination, which shows that this method was most successful for reproduction. From the data, I can conclude that different pollination methods affect seed production because cross‑pollination (especially by insects) generally produced more seeds than self‑pollination, possibly due to more effective pollen transfer and increased genetic compatibility and vigor from outcrossing. Although the overall pattern (insect > wind > self) was consistent, the size of the advantage varied among the three species, suggesting species‑specific flower traits and reliance on particular pollinators or on wind. These results imply that maintaining pollinator populations and the floral traits that attract them is important for the reproductive success of these plants, while self‑pollination tends to yield fewer seeds, likely reflecting inbreeding or reduced pollen transfer efficiency.