Q.The invasive species introduced in India from South America :

An invasive alien species is a non-native species that spreads on its own, disrupts native species' biology and survival, threatens ecosystems and causes economic loss — ranked by the World Conservation Union as the second-biggest threat to biodiversity after habitat loss. Introduction routes include accidental transport via ports, deliberate germplasm import, and natural dispersal by birds (for fruit-bearing species). Once established, invasive species are typically fast-growing and highly adaptable, altering soil chemistry, litter quality and decomposition, and suppressing native vegetation. Key examples: Eichhornia crassipes (water hyacinth) — a free-floating South American aquatic weed that depletes dissolved oxygen (driving eutrophication), blocks sunlight, breeds disease-carrying mosquitoes/snails and hampers fisheries/hydropower; Lantana camara — a South American ornamental shrub, among the world's worst invasive species, that allelopathically suppresses surrounding plant germination and growth; Part …