260249 The primary producers of the deep-sea hydrothermal vent ecosystem are

260260 The average trophic efficiency of transfer of energy from one trophic level to the higher trophic level is called

260264 Which one of the following species of earthworm is Not recommended for vermicomposting ?

260265 Consider the following statements concerning food chains:
(i) Removal of $80 \%$ tigers from an area resulted in greatly increased growth of vegetation
(ii) Removal of most of the carnivores resulted in an increased population of deers
(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

260249 The primary producers of the deep-sea hydrothermal vent ecosystem are

260260 The average trophic efficiency of transfer of energy from one trophic level to the higher trophic level is called

260264 Which one of the following species of earthworm is Not recommended for vermicomposting ?

260265 Consider the following statements concerning food chains:
(i) Removal of $80 \%$ tigers from an area resulted in greatly increased growth of vegetation
(ii) Removal of most of the carnivores resulted in an increased population of deers
(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

260249 The primary producers of the deep-sea hydrothermal vent ecosystem are

260260 The average trophic efficiency of transfer of energy from one trophic level to the higher trophic level is called

260264 Which one of the following species of earthworm is Not recommended for vermicomposting ?

260265 Consider the following statements concerning food chains:
(i) Removal of $80 \%$ tigers from an area resulted in greatly increased growth of vegetation
(ii) Removal of most of the carnivores resulted in an increased population of deers
(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

260249 The primary producers of the deep-sea hydrothermal vent ecosystem are

260260 The average trophic efficiency of transfer of energy from one trophic level to the higher trophic level is called

260264 Which one of the following species of earthworm is Not recommended for vermicomposting ?

260265 Consider the following statements concerning food chains:
(i) Removal of $80 \%$ tigers from an area resulted in greatly increased growth of vegetation
(ii) Removal of most of the carnivores resulted in an increased population of deers
(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