Why does overwatering a plant kill it?
A) Water does not have all the necessary minerals a plant needs to grow.
B) Water neutralizes the pH of the soil.
C) The roots are deprived of oxygen.
D) Water supports the growth of root parasites.
E) Water lowers the water potential of the roots.
Answer: C
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A specific treponemal serologic test performed by overlaying whole treponemes that are fixed to a slide with serum from patients suspected of having syphilis and using fluorescein-conjugated antihuman antibody reagent to detect specific antitreponemal antibodies is called the _________ test
a. RPR b. FTA-ABS c. VDRL d. TP-PA
The study of individual organisms and the adaptions that have enabled them to survive in their abiotic environments is _________.
a. Organismal Ecology b. Population Ecology c. Community Ecology d. Ecosystem Ecology
Refer to the accompanying figure. The neuron labeled as 3 is a(n):
a. interneuron in the gray mater of the cord.
b. interneuron in the white mater of the cord.
c. sensory neuron in the gray mater of the cord.
d. sensory neuron in the white mater of the cord.
e. motor neuron in the gray mater of the cord.
The exchange of genetic material during crossing over causes which of the following?
A) homozygosity B) genetic variation C) heterozygosity D) stasis