A-LevelBiologyBiodiversity and conservation9700/41 · May/June 2019 · Q85 Marks
Table 8.1 shows the total number of plant species, the total number of insect species and the number of habitats in three areas, A, B and C. [Table 8.1]
- (a)Identify the area with the highest biodiversity. Give reasons for your choice of area. area reasons[3]
- (b)Identify the area that is likely to be affected the most if the environment changes. Give a reason for your choice of area. area reason[1]
- (c)State one reason why it is important to conserve biodiversity in all three areas.[1]
Mark scheme
Marking points from the official mark scheme (May/June 2019). The mark or mark type is shown in brackets.
- [3] 1 C; 2 greater/highest/most, number of (plant + insect) species/species richness ; 3 greater/highest/most, number of habitats;
- [1] area A because if one species, increases/decreases (in abundance), this may affect the whole, community/food web/ ecosystem;
- [1] any one from: 1 species may have, medicinal / economic / aesthetic, benefits ; 2 (to maintain) genetic diversity / genetic variation / alleles ; 3 ref. to ethical / moral / stewardship;
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