The number of species that exist on Earth is not known; there are many species yet to be discovered, and many may become extinct before ever being discovered. Extinction of species is a natural process but the number of species currently going extinct is significantly higher than than natural background rate and this is a consequence of human activities.
Lessons
| 1 | Estimating biodiversity | ||||||
| 2 | Factors that reduce biodiversity | ||||||
| 3 | Tropical ecosystems | ||||||
| 4 | The IUCN red list | ||||||
| 5 | Endangered species case studies | ||||||
Essay Task
“The wildlife trade is a threat to biodiversity. Explain why eliminating the trade of endangered species is a challenge and describe solutions to the problem.” [9 marks]
The essay should marked using the Paper 2, Section B essay markbands.
Google Docs Version
Open the link and make a copy to your own drive. The doc can easily be shared as an “Assignment” on Google Classroom.
A markbands rubric designed for Google Classroom is available here.