Question

questions 1 through 3 refer to the following. number of plant species 2 mark for review based on the data shown in the graph, when would the species richness of the ecosystem have been the lowest? a before the volcanic eruption occurred b one to four years after the volcanic eruption c four to ten years after the volcanic eruption d ten to fourteen years after the volcanic eruption

Explanation:

Step1: Analyze the graph

We need to find when the number of plant species (species richness) is the lowest. The graph shows the trend of the total number of plant species over the years.

Step2: Identify the period

Looking at the graph, we can see that the number of plant species is the lowest in the period ten to fourteen years after the volcanic eruption.

Answer:

D. Ten to fourteen years after the volcanic eruption