Select the formula for ecological efficiency:

Identify which one of the following is an e.g. of incomplete ecosystem

Or

Which of the following habitats is most unsuitable for primary productivity

Identify the correct type of food chain

Dead animal$\to$blow fly maggots $\to$ common frog $\to$snake

Bacteria and fungi in a forest ecosystem are generally

Or
Micro-organism are

Or
 The bacteria that attack dead organic matter are

Energy flow and energy transformations in living systems strictly conform to the
Or

Flow of energy declines from low to higher trophic level in ecosystem, is mainly explained by