#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
#Question id: 10887
#Unit 10. Ecological Principles
What is a linkage density of community A and B RESPECTIVELY?
#Question id: 10888
#Unit 10. Ecological Principles
Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following
#Question id: 10889
#Unit 10. Ecological Principles
Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower
#Question id: 10891
#Unit 10. Ecological Principles
In a lake ecosystem with three trophic levels - Phytoplankton (P), Zooplankton (Z) and Carnivore (C) is control by bottom-up effects, which of the following observation is incorrect?