Dissolved phosphorus in aquatic ecosystems may return to the land via:a
erosion.
b. phosphate mining.
c. birds eating fish and mollusks.
d. zooplankton.
e. decomposition
C
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What effect will dissolving salt in a solution have?
a. The solution will become hypotonic. b. The salt will evaporate, leaving only liquid behind. c. The solution’s osmolarity will increase. d. The solution’s osmolarity will decrease.
Which of the following is not a part of the scientific method?
A. Experimenting. B. Observing. C. Proving. D. Hypothesizing.
Most triploid zygotes probably arise from ____
a. incomplete meiosis I b. incomplete meiosis II c. incomplete mitosis d. nondisjunction e. dispermy
During a normal female reproductive cycle, the hormone produced only after ovulation is ________, made by the ________
A) progesterone; corpus luteum B) follicle-stimulating hormone (FSH); anterior pituitary C) gonadotropin-releasing hormone (GnRH); hypothalamus D) luteinizing hormone (LH); anterior pituitary