The amount of plant biomass in an area may increase if there is an increase in the amount of 

A. symbiotic nitrogen-fixing bacteria.
B. succession.
C. competition.
D. denitrifying bacteria.


A. symbiotic nitrogen-fixing bacteria.

Biology & Microbiology

You might also like to view...

True or false: The inner cell mass of the blastocyst becomes the embryo, while the outer cell layer of the blastocyst forms part of the placenta

A. true B. false

Biology & Microbiology

How could a molecule from plants that blocks the connection between nerves and muscles be useful as a pharmaceutical?

A) It could be used to produce restriction enzymes. B) It could be used as a source of antibiotic. C) It could be used as a muscle relaxant. D) It could be used as an antiviral medication.

Biology & Microbiology

What do the four membranes of apicoplasts imply about the nature of the endosymbiosis event that produced them?

What will be an ideal response?

Biology & Microbiology

Pyruvate can be converted into many other molecules by various biosynthetic and metabolic pathways, which makes it a central hub in the regulation of cellular metabolism. Which of the following molecules is not made from pyruvate?

(a) oxaloacetate (b) ethanol (c) lactate (d) NADH

Biology & Microbiology