The information in the table sa record of the number of different animal species in South Africa and in the woria na Diversity Taxon VERTEBRATES Namma's Biros Reptiles Amphibians Freshwater Nanne INVERTEBRATES Insects Molluscs Crustaceans Corals Number of species in SA Number of species in the world 59 811 314 5416 796 9956 173 5 240 285 6 199 122. 9.410 3 294 20 590 66 185 1 203 375 950 000 81 000 40 000 2 175 3.2.1 How many vertebrate animal species X occurs in South Africa? (1) 3.2.2 What percentage of the total number of marine fish in the world is represented by the South African marine fish? Show all your working 3.2.3 According to the table, which invertebrate animal species contributes the most to biodiversity in the world? 3.2.4 Explain TWO ways in which humans would be affected it all the insects were to become extinct. (9)
