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)​