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IBBiologyDPHLExam QuestionsForm & FunctionAdaptation to Environment

Adaptation to Environment (DP IB Biology: HL)

Exam Questions

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Adaptation to Environment

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Adaptation to Environment

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11 mark

Which option correctly lists some abiotic features of an ecosystem?

  • Mineral ions, light intensity, temperature

  • Competition, predation

  • pH, producers, mineral ions

  • Wind speed, decomposition, mineral ions

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2
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Which of the statements about the term habitat is/are correct?

I. A habitat is the place where a community of organisms lives

II. A habitat is the place where an individual organism lives

III. Habitats can only be described in terms of their geographical location

  • I and II only

  • II only

  • II and III only

  • I, II and III

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3
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Which of the statements about biomes is correct?

  • Biome distribution is affected primarily by biotic factors.

  • For any given temperature and rainfall pattern there are a range of ecosystem types that can develop.

  • A tropical rainforest biome will have high annual rainfall and low levels of biodiversity.

  • Average temperatures and rainfall patterns are significant factors in determining the development of a biome.

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4
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Which of the following is a hazard to consider in a risk assessment when measuring abiotic factors in a natural environment?

  • Uneven ground.

  • Slipping on wet rock.

  • Cutting oneself on a sharp rock.

  • Breaking an ankle by falling over.

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5
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How could levels of dissolved oxygen in a pond be measured?

  • pH indicator

  • Turbidity meter

  • Electronic sensor

  • Clinometer

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1
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Which of the following statements about adaptations to abiotic factors is correct?

  • Some grasses are able to release chemicals that attract the predators of insect herbivore species.

  • Some grasses are adapted to increase the water vapour concentration gradient between their leaves and the surrounding air.

  • Mangroves are adapted to survive in an environment with limited fresh water availability.

  • Mangroves deal with low oxygen availability by absorbing oxygen from the atmosphere via their stomata.

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2
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A group of scientists studied the distribution of an invertebrate species on a series of sandy beaches. Their results are shown in the graph.

shoreline-transect-distribution-graph-1

Which of the statements about the data is correct?

  • The data could have been collected using random quadrat sampling.

  • Conditions are outside the range of tolerance for the invertebrates at >15 m from the waterline on beach 3.

  • The number of invertebrates decreases as distance from the waterline increases.

  • Conditions are at their optimum for the invertebrate species at around 9 m from the waterline.

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3
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Which row correctly describes an example of an adaptation for survival in the given biome?

 

Biome

Adaptation

A

Tropical forest

Thick waxy cuticles on leaves

B

Temperate forest

Nocturnal behaviour

C

Taiga

Wide buttress roots

D

Hot desert

The ability to extract water from food

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