Which is the source of carbon for producers in an ecosystem?(1 point) Responses other organisms other organisms detritus detritus the atmosphere the atmosphere sunlight
9 answers
the atmosphere
Which is the process through which fossil fuels release carbon back into the atmosphere?(1 point) Responses combustion combustion consumption consumption decomposition decomposition photosynthesis
combustion
The ten-percent rule states that ten percent of the energy from a trophic level is transferred from one trophic level to the next. What happens to ninety percent of the energy?(1 point) Responses It is mostly lost as heat or becomes detritus. It is mostly lost as heat or becomes detritus. It is released into the atmosphere as carbon dioxide. It is released into the atmosphere as carbon dioxide. It is all used by the organism for cellular processes. It is all used by the organism for cellular processes. It is transferred to a different trophic level.
It is mostly lost as heat or becomes detritus.
Carlos calculated the biomass of each trophic level in an ecosystem. The values he calculated were: 5,689 gm2 12,561 gm2 999 gm2 and 292,635 gm2 . What is the average biomass of the apex predators in this ecosystem? (1 point) Responses 999 gm2 999 gm2 12,561 gm2 12,561 gm2 292,635 gm2 292,635 gm2 5,689 gm2
5,689 gm2
If the secondary consumer in an ecosystem has 560 kcalm2yr of energy, how much energy do the producers have?(1 point) Responses 5,600 kcalm2yr 5,600 kcalm2yr 56 kcalm2yr 56 kcalm2yr 5.6 kcalm2yr 5.6 kcalm2yr 56,000 kcalm2yr
56,000 kcal/m^2/yr