DP Biology (last assessment 2024)

Test builder »

Question 19N.3.HL.TZ0.16b

Select a Test
Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.3.HL.TZ0.16b
Level HL Paper 3 Time zone TZ0
Command term Suggest Question number b Adapted from N/A
b.
[Maximum mark: 1]
19N.3.HL.TZ0.16b

By mid-2005, the Chinese government had established over 50 panda reserves. These protect more than 10 400 km2 and over 45 % of remaining panda habitat. There are also efforts to ensure the existence of natural corridors between panda populations.

[Source: Manyman/
https://commons.wikimedia.org/wiki/Ailuropoda_melanoleuca#/media/File:Giant_Panda_eating_Bamboo.JPG,
licensed under CC BY-SA 3.0]

(b)

Suggest one reason for leaving natural corridors between different natural reserves.

[1]

Markscheme

a. increases edge effect and thus biodiversity
OR
maintains genetic diversity
OR
prevent the negative effects of inbreeding ✔

b. also help facilitate the re-establishment of populations after catastrophic events ✔ Accept named catastrophic events e.g fires, diseases, etc.

c. increases availability of food resources ✔

Mark only the first answer if many provided.

Syllabus sections