3 Which of the foloming could lead to socondary succession? A volcanic eruption A variety of Infectious plant diseases wice out an ares of vegetation. A wildfire destroys a forest, leaving only the soil A glacier retreats, leaving only bare rock. Small, saft-tolerant plant species move into a sand dune.

## Step 1<br />Secondary succession is a type of ecological succession that occurs in an area where an ecosystem has previously existed. This could be due to a disturbance such as a fire, flood, or human activities like deforestation. The soil is left intact, which allows for the rapid growth of plants and animals.<br /><br />## Step 2<br />In the given options, we need to identify which scenarios could lead to secondary succession. <br /><br />## Step 3<br />Option A: A volcanic eruption - This would lead to primary succession as it would leave behind bare rock, not soil.<br /><br />## Step 4<br />Option B: A variety of infectious plant diseases wipe out an area of vegetation - This could lead to secondary succession as the soil is left intact.<br /><br />## Step 5<br />Option C: A wildfire destroys a forest, leaving only the soil - This could lead to secondary succession as the soil is left intact.<br /><br />## Step 6<br />Option D: A glacier retreats, leaving only bare rock - This would lead to primary succession as it would leave behind bare rock, not soil.<br /><br />## Step 7<br />Option E: Small, salt-tolerant plant species move into a sand dune - This would lead to primary succession as it would leave behind bare sand, not soil.