Answer the following:
1. suppose that the net primary productivity of a particular ecosystem...
Geography, 04.07.2019 19:20 makaylagrandsta
Answer the following:
1. suppose that the net primary productivity of a particular ecosystem is 80 units per year. the respiration rate of primary producers is 30 units per year, and the respiration rate of herbivores is 10 units per year. the gross primary productivity is units per year.
2. in some ecosystems, npp actually decreases at very high levels of precipitation. which of the following is not a likely reason for such declines in npp?
a) high precipitation levels can lead to the leaching of nutrients from the soil.
b) in areas where precipitation is extremely high, it is often cloudy, lowering available sunlight.
c) respiration of heterotrophs increases at high precipitation levels.
d) high precipitation levels can lead to low oxygen levels in the soil.
3. heterotrophs are categorized by what they eat. a detritivore eats what?
a) dead organic matter
b) bacteria
c) fungi
d) algae
Answers: 2
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