Question

Nutrients are recycled in ecosystem by
(a) Biogeochemical cycle
(b) Energy flow
(c) Producers
(d) Consumers

Answer 1

option a is the correct answer

Answer 2

Biogeochemical cycle is pathway by which chemical substances cycles the biotic and abiotic compartments of the earth.  

Explanation: Nutrients are recycled in ecosystem by geochemical cycle example carbon cycle, nitrogen cycle, phosphorous cycle, water cycle etc. so, movements of nutrients from biotic(organic matter, living things) to abiotic(non living things, water, light, soil etc.) factors known as biogeochemical cycles