State one reason to justify the position of man at the apex of most food chains.

Identify the correct one from the following food chains.

What happens to the amount of energy transferred from one step to the next in a food chain?

What happens to the amount of energy transferred from one trophic level to the next in a food chain?

Given reasons: In severe cold and cough, one cannot feel the taste of the food.

Which one of the following has the largest population in a food chain ?

Observe the following a and b statements : The number of organisms decrease as e move from producers to consumers. The consumers are placed in the front position in a food chain.

Diatoms to zooplankton to Larve to Fish to man Observe the above food chain and identify the tertiary consumer.

State the reason why most of the terrestrial animals fertilization takes place internally.

Study the following statements concerning food chains and select the correct ones. (i) Removal of 80% of tigers from an area resulted in greatly increased growth of vegetation. (ii) Removal of most of the carnivores resulted in an increased population of deer. (iii)The length of food chains is generally limited to 3-4 trophic levels due to energy loss. (iv) The length of food chains may vary from 2 to 8 trophic levels.

How much percentage of the biomass is transferred from one tropic level to the next in a food chain?