Unit 2: Form and Function
Topic 2.9: Adaptation to Environment Questions
Practice 20 exam-style questions for IB Biology Topic 2.9. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1State1 mark
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State one way that a flowering plant attracts animal pollinators.
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Which feature of a desert plant most directly reduces the amount of water lost by transpiration?
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An arctic fox grows a thick coat of fur in winter.
Which type of adaptation is this?
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Which of the following is an ABIOTIC condition that could affect an organism's survival?
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Why are the leaves of many desert plants reduced to spines or needles?
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Which statement best describes an organism's ecological niche?
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Which adaptation would best help a desert mammal survive the heat and dryness of its environment?
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State the three types of adaptation an animal can have.
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A region is hot all year and receives very little rainfall.
Which biome is it most likely to be?
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Which two abiotic factors are used to classify the major biomes of the world?
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A fish living in a fast-flowing mountain stream is an obligate aerobe.
State one environmental condition it needs to survive.
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At the top of a high mountain the air temperature is very low.
State one other abiotic factor, besides temperature, that is typically more extreme at high altitude.
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Which of the following best defines a biome?
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Which of these is an adaptation that helps a flowering plant attract animal pollinators?
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Which biome is characterised by a cold climate with low rainfall and vegetation of low mosses, lichens and small shrubs?
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State the two abiotic factors that are used to classify the major biomes.
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What is meant by a species' range of tolerance for an abiotic factor?
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Which of the following is an abiotic factor that can affect where a species lives?
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A hot desert and a tropical rainforest are both hot, yet they support very different vegetation.
Which factor best explains this difference?
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A lake becomes more acidic after pollution and several fish species disappear from it.
Which abiotic factor has changed, and how does it act?
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