Water ecosystems become eutrophic when there is ________.

A. nutrient removal from waters
B. acidification of waters
C. deoxygenation of waters
D. nutrient enrichment of waters


Answer: D

Biology & Microbiology

You might also like to view...

The ____________________ provides a means of measuring allele frequencies in the population. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Action potentials occur when the transmembrane potential of a neuron reaches threshold. Where is the action potential initiated on the neuron?

a. Dendrite b. Soma c. Axon hillock d. Axon

Biology & Microbiology

Lazzaro Spallanzani was the first scientist to provide evidence disproving the spontaneous generation of microorganisms

Indicate whether the statement is true or false

Biology & Microbiology

E are _______ major families of RNA containing viruses that infect vertebrates

A. 2 B. 5 C. 7 D. 13

Biology & Microbiology