Axel BM2 2021 (2019 STAAR Released Science, Grade 8) COLOR THEME CALCULATOR QQ ZOOM REFERENCE + ADD NOTE QUESTION GUIDE DIRECTIONS O Conifer trees and tall grasses with roots that loosen the soil Read each question carefully. For a multiple-choice question, determine the best answer to the question from the four answer choices provided. For a griddable question, determine the best answer to the question. Then fill in the answer on your answer document. O Grasses and weeds that arrive as seeds carried by the wind and then germinate in rich soil Mosses and lichens that can grow on rocky surfaces O Vines and shrubs that help prevent the erosion of shallow soil Primary succession occurs when pioneer species move into an area that has no plants. Which organisms are common pioneer species? CLEAR ALL < PREVIOUS 01 O O 3 04 O 5 06 07 8 09 O 10 NEXT > REVIEV e 3 DLL​