Question

ecological succession is the gradual change in the species structure of a community over a period of time. there are two types: primary & secondary. primary succession is the __________ of land where there were no ___ things previously, e.g. new rock from a __ flow. secondary succession follows a disturbance that ______ the previous community.

Explanation:

Ecological succession involves species - structure changes in a community over time. Primary succession occurs on land with no previous life, like new volcanic rock. Secondary succession follows a disturbance that damages the previous community.

Answer:

Ecological succession is the gradual change in the species structure of a community over a period of time. There are two types: primary & secondary. Primary succession is the colonization of land where there were no living things previously, e.g. new rock from a lava flow. Secondary succession follows a disturbance that disrupts the previous community.