Gwinnett County Public Schools



EOCT Review Succession Guided Notes- ANSWER KEYPredictable CHANGES of GROWTH that occur in a community over time in order to reach stability.8191501332865LICHEN0LICHEN762001323975ROCK0ROCK4610100428625CLIMAX0CLIMAX3171825428625INTERMEDIATE0INTERMEDIATE600074428625PIONEER SPECIES0PIONEER SPECIES762001821180NATURAL DISASTER0NATURAL DISASTER3275965554355INTERMEDIATE0INTERMEDIATE4610100535940CLIMAX0CLIMAX1638300554990PIONEER SPECIES0PIONEER SPECIESPrimary SuccessionSecondary SuccessionBREAKDOWN of rock must occur in order to FORM SOIL.Occurs on BARREN OR NEWLY formed landTakes a LONGER TIME to reach a climax communitySoil is ALREADY presentOccurs AFTER a NATURAL DISASTER or CLEARING AWAY of already present landTakes a SHORTER TIME to establish a climax community B- volcanic rock-lichen-mosses-sea grassesIn primary?succession, an?ecosystem?must be created from scratch. The?lichens?and?mosses?in this example, erode the?rock?and create?soil?that the? HYPERLINK "" seagrasses can later grow in. Shrubs and coconut trees would not appear until much later. D- During?ecological succession?an increasing number of resources and?niches?become available for?animals.?More and more?plants?move in, creating more homes and more?food?for animals to follow.C- Primary?succession?follows an event like a?lava flow, an event that kills off all life forms in an areaC- Climax communities are usually more rich in?species?biodiversity than communities that are undergoing primary?succession. Climax communities are a mature?ecosystem. Generally, they have had?time?to accumulate many species that could not live during the early stages of the ecosystem, along with some species that remain from earlier stages. ................
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