Explain competitive exclusion and niche restriction when two species compete for the same limiting resources.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2024–2025.
Two species have almost identical requirements for a limiting resource. In a constant environment, one consistently uses that resource more efficiently. Which outcome illustrates competitive exclusion? A. Predation must always increase until both competitors…
Two protist species each grow well alone on the same limited food source. When cultured together, their populations change as shown. Which interpretation is best supported? A. Species Q consumes every individual of P B. Interspecific competition allows P to…
Four model aquatic invertebrates feed on the same suspended food. Their preferred temperature ranges are shown. Which conclusions about this niche dimension are justified? Species | Preferred temperature / °C W | 14–17 X | 12–25 Y | 17–21 Z | 20–29 I. All four…
Distinguish the distributions of species A and B across the two treatments.
Outline two factors that could lead to occupation of different habitats.
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