59-05-032 Proceeding

397 Proceedings of the Princess Maha Chakri Sirindhorn Congress Table 1 Species diversity among different groups of organism Organisms Number of species Viruses, algae, protozoa, etc. 80,000 Bacteria 4,000 Fungi 72,000 Plants 270,000 Animals: Invertebrates (insects) 1,360,000 Animals: Vertebrates 48,500 Total 1,834,500 Figure 1 Biotic and abiotic interaction involves insect population dynamics