Gross primary productivity is the rate of photosynthesis minus the rate of plant respiration
____________________ Indicate whether the statement is true or false.
False - Net
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Fertilizers are essentially made up of:
A. mostly organic matter B. different types of soil C. deficiency amendments D. minerals E. plant foods
The roles of testosterone in male reproductive function include all of the following EXCEPT
A. stimulating spermatogenesis by the Leydig cells. B. stimulating spermatogenesis by the Sertoli cells. C. stimulating growth of the reproductive tract. D. inhibiting LH secretion. E. stimulating growth of facial hair.
Which of the following are single-celled fungi?
a. molds b. yeasts c. mushrooms d. more than one of these e. none of these
Which of the following is a glucocorticoid?
A. cortisol B. aldosterone C. renin D. epinephrine E. norepinephrine