DP Biology (last assessment 2024)
Question 17N.3.SL.TZ0.b
| Date | November 2017 | Marks available | [Maximum mark: 1] | Reference code | 17N.3.SL.TZ0.b |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
17N.3.SL.TZ0.b
Data from the International Union for Conservation of Nature (IUCN) indicates that the population numbers of many mammal species are decreasing. The chart shows reasons for the decrease and the number of species in each category of danger.
[Source: Michael Hoffmann et al. 2011. The changing fates of the world’s mammals. Philosophical Transactions of the Royal Society B, Volume 366, issue 1578. DOI: 10.1098/rstb.2011.0116. By permission of the Royal Society.]
State one reason mammals can continue to survive even if they are extinct in the wild.
[1]
Markscheme
zoos/nature reserves/captive breeding/ex situ conservation/farming/husbandry/pets
