Unit 2 Progress Check: FRQ (APES)
(a) Identify the oldest stage of succession shown in the figure above - correct answer the forest (b) Pioneer species are important in ecological succession (i) Identify a pioneer species that could be found in an ecosystem like the one in the figure above. -
correct answer (i): Any of these answers are correct ⬇️
• lichens • mosses • sea grass • algae • fungi (ii) Describe the role of pioneer species in early succession. - correct answer (ii): Any of these answers are correct ⬇️ • increase the biodiversity of the area.• alters the environment to bring optimal conditions for later plant growth.• forms new soil/improves soil.• increases the amount of shade.• increases water levels.• increases nutrient levels.• fixes nitrogen in the soil.• stabilizes the substrate.(c) Explain one adaptation that helps grasses succeed in grasslands, rather than forests. - correct answer
(i): Any of these answers are correct ⬇️
• Grasses have unique physical structures/anatomy to survive forest fires.• Grasses have unique physical structures/anatomy to survive grazing by animals.
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