WAECBiology

The flow of energy in an ecosystem is

Acircular
Bone-way (unidirectional)CORRECT
Ctwo-way
Dalways increasing
AI
Toaster Teacher
Why the answer is B, and why the others tempt you.
Energy flows: sun → producers → consumers, lost as heat at each level. It's one-way.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →

Practice more Biology questions

WAEC Biology has thousands more questions like this — with Worked answers on every one.