Ecological Succession

Learn about ecological succession! Understand how life returns after disturbances with this science worksheet.

Match. process of creating life where no life previously existed primary succession process of re-stabilization that follows a disturbance secondary succession Natural, gradual changes in the types of species that live in an area is part of what? primary succession secondary succession both primary and secondary What is an example of where life never lived before? Primary succession begins in a place- with soil without any soil Why is there no soil? What stars growing on bare rock? lichens plants nothing What is a pioneer species? Explain in your own words how lichens help produce soil? What can start growing in the soil? mosses large plants trees How do herbs and weeds help enrich the soil? When an area has both lichen and shrubs, which will usually surive? lichen shrubs A variety of life can start surviving in an area once grasses, shrubs, and trees can grow. true false What is a climax community? All climax communities are exactly the same. true false How can climax communities be disturbed? Secondary Succession •Organisms are destroyed but the soil is safe.•The soil already contains the seeds of weeds, grasses, and trees. More seeds are carried to the area by wind and birds.•Succession begins again but the primary species are different.•Because soil is present, this succession is faster. In your own words, describe secondary succession. What is a stable group of plants and animals that is the end result of the succession process? primary succession secondary succession climax community Does a climax community always have big trees? yes no What are some threats to lands?