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
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E are _______ major families of RNA containing viruses that infect vertebrates
A. 2 B. 5 C. 7 D. 13
Biology & Microbiology
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