The number of currently described species on the planet is about __________.Question 8Select one:a.17,000b.150,000c.1.5 milliond.10 million

The total number of species that exist worldwide is estimated to be Blank______.Multiple choice question.less than 1 million1.5 millionbetween 8 million and 12 millionbetween 100 million and 115 million

Approximately how many living animal species have been identified?a) 13,000b) 130,000c) 1.3 milliond) 13 million

ndia has approximately ___________ of the total recorded species in the world.Select one:a.6.2%b.7.8%c.4.3%d.10%

Approximately how many species are there on earth, without including bacteria, which includes members of Kingdom Bacteria and Kingdom Archaea?Question 4Answera.1 millionb.5 trillionc.5 billiond.1 trillione.5 millionf.1 billion

Question 2.2The information in the table is a record of the number of different animalspecies in South Africa and in the world.Taxon Number of species in SA Number of species in the worldVERTEBRATES X 59813Mammals 318 5417Birds 793 9958Reptiles 171 5242Amphibians 287 6200Fish Freshwater 120 9413Marine 3331 20593INVERTEBRATES 66184 1203377Insects – 950012Molluscs – 81000Crustaceans – 40000Corals – 217710Question 2.2.1 [1 mark]How many vertebrate animal species (X) occur in South Africa?Question 2.2.2 [3 marks]What percentage of the total number of marine fish in the world is representedby the South African marine fish? Show all your work.Question 2.2.3 [1 mark]According to the table, which invertebrate animal species contributes the mostto biodiversity in the world?Question 2.2.4 [4 marks]Explain TWO ways in which humans would be affected if all the insects were tobecome extinct.[9 marks]Question 2.3The apparatus shown below was used in an investigation to determine the effectof light intensity on the rate of photosynthesis.11