Ecosystem Question 83

83. In an ecosystem, which one shows one-way passage

[1988]

(a) free energy

(b) carbon

(c) nitrogen

(d) potassium

Show Answer

Answer : a

Hints & Solutions

(a) Energy flow takes place only in one direction i.e., producers $arrow$ herbivores $arrow$ carnivores whereas, nutrients use carbon, nitrogen and potassium shows cyclic flow.