In the food chain below, what does the blue jay represent?crabgrass-cricket-garden spider-blue jay-red-tailed hawk
A. secondary carnivore
B. herbivore
C. detritivore
D. primary producer
E. primary carnivore
Answer: A
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What conditions result in the release of cAMP from Dictyostelium discoideum?
A. Shortage of nutrients B. Adequate moisture C. Abundance of nutrients D. Presence of predator bacteria
During exhalation,
a. the pressure in the thoracic cavity is less than the pressure within the lungs. b. the pressure in the thoracic cavity is greater than the pressure within the lungs. c. the diaphragm moves downward and becomes more flattened. d. the chest cavity volume increases. e. movement of the diaphragm is inhibited.
The plasma membrane is constructed in layers, with the protein layer innermost, the cholesterol layer in the middle, and the phospholipid layer outermost
Indicate whether the statement is true or false
In males, gonadotropin-releasing hormone stimulates the ____ to secrete ____
a. anterior pituitary; inhibin b. anterior pituitary; FSH and LH c. anterior pituitary; testosterone d. posterior pituitary; FSH and LH e. posterior pituitary; testosterone