When the pioneers die, the shade-tolerant species replace them. The correct response is primary succession. Which of the followingis an example of primary succession? You start out with bare rock and over time lichens start to grow on the rock and eventually small annual plants start out to grow. Scoring Guide. link to the specific question (not just the name of the question) that contains the content and a description of 2003-2023 Chegg Inc. All rights reserved. AP CALCULUS AB Test Booklet Unit 2 Progress Check: FRQ Part A 1. Approximately 700 million years ago the Earth sunk into an ice age so severe it is sometimes known as Snowball Earth. [12], The trajectory of successional change can be influenced by site conditions, by the character of the events initiating succession (perturbations), by the interactions of the species present, and by more stochastic factors such as availability of colonists or seeds or weather conditions at the time of disturbance. (i) Identify a pioneer species that could be found in an ecosystem like the one in the figure above. Give enough detail so that another student could replicate the experiment. A series? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Species that arrive first in the newly created environment are called pioneer species, and through their interactions they build a simple initial biological community. The formation of organic material in these areas typically occurswith the accumulation ofwind-carried soil erosion, nutrients deposited by flowing bodies of water, and erosion of bedrock. Tertiary and quaternary succession are made up terms. When a disturbance occurs, the opportunity for the pioneers opens up again, provided they are present or within a reasonable range. The environment can be changed due to a sudden disruption or small changes overtime. The density of the deer population in each community differs, as, PLEASE HELP!!!!!!!! Your Infringement Notice may be forwarded to the party that made the content available or to third parties such Unit 2 ap bio frq ap dowl jig ap stat unit 3 progress check mcq part a 5.
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