How will this new configuration affect seasonal swings in average global CO2? - ✔✔Seasonal
sings would be larger, but CO2 would now peak in late august.
Changes in O2 levels in light and dark bottles can be used to measure ocean net ecosystem
production (NEP) and gross primary production (GPP) but not net primary production (NPP) why
is this? - ✔✔The bottles include both primary producers and heterotrophic consumers. (both
plants and animals)
The proportion of assimilates energy that an organism incorporates into new growth: -
✔✔Production efficiency
The release of biochemical energy from organic compounds is: - ✔✔Respiration
Assimilation efficiency would be highest for which of the following: - ✔✔Carnivore
On an annual basis global atmosphere CO2 concentrations generally: - ✔✔Fluctuate
predictably with season
An increasing concentration of dissolved oxygen (D0) in a light bottle indicates: - ✔✔Increasing
photosynthesis
Primary production efficiency is best determined by dividing ___ by ___ - ✔✔Net production;
gross production
Energy pyramids effectively demonstrate that: - ✔✔All are correct
, Calls for a meatless global human diet are ecologically inappropriate because - ✔✔All are
correct
Ruminant herbivores are unique in their ability to extract energy from ___ with the aid of____. -
✔✔Grasses; microorganisms
Gross primary production minus ecosystem respiration describes: - ✔✔NEP
Secondary production is calculated as assimilated energy minus___ by___. -
✔✔Respiration;Animals
The majority of protein consumed in global human diets is derived from: - ✔✔Plants
Resource that is most limiting to autotrophs in terrestrial ecosystems: - ✔✔Nutrients
Biological group with the greatest number of current species - ✔✔Insects
Organisms with the highest percentage of threatened species on the "red list" -
✔✔Amphibians
The predominant cause of species extinction is - ✔✔Habitat loss
Which of the following is not true regarding timberline: - ✔✔Occurs at constant elevation over
the entire earth
Relative distribution of the number of individuals among species within a community: -
✔✔Evenness