« previous next »

Author Question: Subtraction of which of the following will convert gross primary productivity in (Read 809 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Oct 27, 2013
Subtraction of which of the following will convert gross primary productivity into net primary productivity?
A) the energy contained in the standing crop
B) the energy used by heterotrophs in respiration
C) the energy used by autotrophs in respiration
D) the energy fixed by photosynthesis
E) all solar energy


plus1

  • Hero Member
  • *****
  • Posts: 676
Reply #1 on: Nov 3, 2013
I recall doing this last year, it's C, bye bye!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penza

  • Hero Member
  • *****
  • Posts: 1,022
Reply #2 on: Aug 17, 2014
Thanks for assisting, your answer was right!


« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
Activation of the Primary Gustatory Cortex by Taste Stimuli Activation of the Primary Gustatory Cortex by Taste Stimuli
Schools are a primary agent of socialization. One of their functions is to teach children the ... Schools are a primary agent of socialization. One of their functions is to teach children the ...
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
Carbon dioxide: The anthropogenic greenhouse gas of primary concern Carbon dioxide: The anthropogenic greenhouse gas of primary concern
One pathway of primary succession in Alaska’s Glacier Bay region. One pathway of primary succession in Alaska’s Glacier Bay region.
Video: Parathyroid hormone (bone resorption) & Calcitonin (bone deposition)

For a complete list of videos, visit our video library