Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem are listend belowtadpole, fish, water plants, kingfishera.Construct a food chain with the listed organisms.b.Explain trophic level.c.Point out trophic level of each organism in the constructed food chain. d.Name interconnection of food chains in nature.

Question : Pond is a self-sustainable unit. Some organisms related to

1.	Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem are listend belowtadpole, fish, water plants, kingfishera.Construct a food chain with the listed organisms.b.Explain trophic level.c.Point out trophic level of each organism in the constructed food chain. d.Name interconnection of food chains in nature.
Answer» Solution :a.Water plants `to`TADPOLE `to`fish `to` kingfisher b.Based on the source of their nutrition or food, organisms OCCUPY a specific PLACE in the food chain, that is known as their trophic level. c.Water plants - I trophic level - producers Tadpole - II trophic level - HERBIVORES (primary consumer) Fish - III trophic level - secondary consumer Kingfisher - IV trophic level - tertiary consumer d.Food web.