Biology WBI01: Energy Flow, Ecosystems and the Environment Topical Past Paper Questions
Edexcel A Level Biology (WBI01) past-paper questions on Energy Flow, Ecosystems and the Environment, free. This topic is frequently examined across 8 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Global warming is thought to be responsible for the decrease in area covered by sea ice. (a) The graph below shows the changes in the area covered by sea ice in the Arctic between 1985 and 2016. (i) Explain why global warming is thought to be responsible for this decrease. (3) (i…
Predator-prey relationships and trophic levels influence the species found within a habitat. (a) Explain what is meant by the term trophic level. (2) (b) A study of predators in a marine environment and in a land environment was carried out. The trophic level of each predator and…
The photograph below shows Garra barrimiae, a species of fish that feeds on aquatic plants. Magnification $ \times $1.5 These fish live in rivers that only flow for a short time after rainfall. The fish become trapped in pools for several months in the dry season. A student notic…
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