Question

next gen biology / section 1 / 19 of 30 / students visit two parks and wonder which park has the most biodiversity. the students work with their local parks department to study the species richness, species evenness, and biodiversity of trees in the two parks. species evenness is a measure of how evenly species are distributed within an area. figure 1 shows the data the students obtained. figure 1: forest data park 1: yellow tree : 25%, green pine : 25%, green round : 25%, tall green : 25%; park 2: yellow tree : 6%, green pine : 12%, green round : 70%, tall green : 12% describe the biodiversity of the parks in terms of their species richness and species evenness. complete the sentences by selecting the correct answers from the drop - down menus. the species richness dropdown: choose..., increased, decreased, equivalent that of park 2. the species evenness of park 1 is dropdown: greater than, ... park with more biodiversity is dropdown: park 1, .... more biodiversity leads to dropdown: choose..., ... ecosystem stability.

Explanation:

1. Species Richness: Both parks have 4 tree species (yellow, green, pine - like, tall thin), so richness is equivalent.
2. Species Evenness: Park 1 has each species at 25% (even distribution), Park 2 has one species at 70% (uneven). So Park 1's evenness is greater.
3. Biodiversity: Higher evenness and equal richness mean Park 1 has more biodiversity.
4. Biodiversity and Stability: More biodiversity leads to increased ecosystem stability (more species = more functional redundancy, better resilience).

Answer:

• The species richness of Park 1 is equivalent to that of Park 2.
• The species evenness of Park 1 is greater than that of Park 2.
• The park with more biodiversity is Park 1.
• More biodiversity leads to increased ecosystem stability.