What prompts monthly preparation of uterus for pregnancy?
A. Progesterone
B. Estradiol
C. Prolactin
D. Oxytocin
E. Testosterone
Answer: B
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Which of the following cells is matched to an incorrect function?
A. eosinophil—important to the elimination of parasites B. mast cell—releases histamine C. macrophage—phagocytic cell D. neutrophil—important antigen presenting cell E. monocyte—precursor of macrophage
When the predator population is below the prey isocline, the prey population is
a. increasing b. decreasing c. neither increasing nor decreasing
Coccolithophorids are marine members of the brown algae
________________ Indicate whether the statement is true or false.
Habitat is best described as:
a. the local environment in which a species lives. b. what a species eats. c. what competes with a species. d. the abiotic components of a species' environment. e. the totality of adaptations by a species to its environment.