#Question id: 10881
#Unit 10. Ecological Principles
In deep water, which of the following abiotic factors would most limit primary productivity?
#Question id: 10882
#Unit 10. Ecological Principles
The difference between net and gross primary productivity would likely be greatest for
#Question id: 10883
#Unit 10. Ecological Principles
Ecosystem having a three trophic level in which number of species is given in table
Total 50 number of link among these trophic levels present. What is value of connectance in ecosystem?
#Question id: 10884
#Unit 10. Ecological Principles
Herbivore ingests plant material with 1000 k j energy form producer and 300 kJ loss as feces waste; additionally herbivore invests 300 k j energy in respiration. What is production efficiency of that herbivore?
#Question id: 10885
#Unit 10. Ecological Principles
In a field experiment, autotrophs are provided a 14C-labelled carbon compound for photosynthesis. Radioactivity (14C) levels were then monitored at regular intervals in all the trophic levels. In which ecosystem is the radioactivity likely to be detected in longer time at the higher trophic level?
#Question id: 10886
#Unit 10. Ecological Principles
Much greater proportion of energy fixed by autotrophs is transferred to the herbivore level in the open ocean ecosystem than in a forest ecosystem because