« previous next »

Author Question: The total biomass of photosynthetic autotrophs present in an ecosystem is known (Read 798 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Oct 27, 2013
The total biomass of photosynthetic autotrophs present in an ecosystem is known as
A) gross primary productivity.
B) standing crop.
C) net primary productivity.
D) secondary productivity.
E) trophic efficiency.


plus1

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

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Total fertility rates (TFRs) among major regions of the world. Total fertility rates (TFRs) among major regions of the world.
Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea
Pocket gophers and ecosystem structure (data from Huntly and Inouye 1988). Pocket gophers and ecosystem structure (data from Huntly and Inouye 1988).
The heme group is present in myoglobin, hemoglobin, and many other proteins The heme group is present in myoglobin, hemoglobin, and many other proteins
High rates of rural poverty have been a part of the United States from its origin to the present. ... High rates of rural poverty have been a part of the United States from its origin to the present. ...
Trees provide ecosystem services to people Trees provide ecosystem services to people
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library