TEKS Grade 7 Science - 7.10.C Ecological Succession
Quiz by Texas Education Agency
Grade 7
Science (2017)
Texas Essential Knowledge and Skills (TEKS)
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3 questions
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- Q1Some students take care of a vegetable garden. When it is time to plant in the spring, the students leave part of the garden empty in order to observe ecological succession. Which of these will most likely occur first?Development of topsoilGrowth of weeds and grassesDevelopment of a streamGrowth of trees and shrubs60s7.10c
- Q2Both primary and secondary succession begin with pioneer species that —invade the area so that new organisms cannot be establishedmodify the area and allow larger and more complex organisms to appearuse up all the existing resources and prevent establishment of non-native organismschange the area and make it safer from predatory organisms60s7.10c
- Q3Students in a science class visited four local ecosystems. The students observed the species present in each ecosystem and recorded their observations in the table. Based on these observations, which ecosystem is likely to be the least sustainable?Ecosystem 1, because it has the fewest speciesEcosystem 2, because it includes both aquatic and terrestrial speciesEcosystem 4, because it supports many animalsEcosystem 3, because it has few predators60s7.10c
