IGCSE BIOLOGY 0610/43/M/J/20 Q4

Question

4. Xerophytes grow in habitats with low rainfall and soils that often have high concentrations of salts .
Fig 4.1 shows the xerophyte Yucca treculeana growing on salt flats.
(a)(i) Explain how xerophytes , such as Y. treculeana , are adapted to absorb sufficient water in the conditions in which they live .
(ii) Explain how xerophytes are adapted to reduce water loss to the atmosphere .
(iii)Xerophytes often have many. defence mechanisms that reduce or prevent herbivores eating them .
Suggest how xerohytes protect themselves against herbivores .
(b) Forest ecosystems can be affected by acid rain.
Describe how the production of acid rain and its effects on forest ecosystems can be reduced.
Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution
Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

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    2021-02-08T18:57:58+08:00

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    2021-03-03T20:53:00+08:00

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