The microbial loop results from
A) fungal attack on litter and subsequent consumption by microbivores.
B) leaching of litter that stimulates detritivores.
C) enhanced decomposition of labile litter materials enhancing food web turnover.
D) exudate release in the rhizosphere stimulating decomposition and nutrient release.
D
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Which of the following sex chromosome abnormalities have detectable phenotypic effects? (Choose all that apply)
A. 47, XYY B. 47, XXX C. 45, X D. 47, XXY E. 47, +21
The control in an experiment ____
a. makes the experiment invalid b. is an additional replicate for statistical purposes c. reduces experimental errors d. minimizes experimental inaccuracy e. allows a standard of comparison for the experimental group
The proteins associated with DNA in chromosomes are ____
a. antigens b. albumins c. haptens d. histones e. centrioles
What hormone released into the blood (shown by letter D) by the posterior pituitary inhibits or prevents urine formation?
A) thyroid-stimulating hormone (TSH) B) oxytocin C) antidiuretic hormone (ADH) D) cortisol