Which statement about respiration is true?
A) Inhalation is a passive process.
B) Exhalation is an active process during intense exercise.
C) During exhalation, the pressure in the lung decreases.
D) During inhalation, the diaphragm relaxes.
B
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Which of the following most accurately describes spore production in ascomycetes?
A. Within each ascus, the zygote undergoes meiosis followed by mitosis to produce eight spores. B. Within each ascus, the zygote undergoes mitosis followed by meiosis to produce eight spores. C. Within each ascus, the zygote undergoes two rounds of mitosis to produce eight spores. D. Within each ascus, the zygote undergoes mitosis to produce four spores. E. Within each ascus, the zygote undergoes meiosis to produce four spores.
In this simulation, how is respiration rate being measured?
a. CO2 production b. CO2 consumption c. O2 production d. O2 consumption
Pacific salmon migrate upstream and after breeding, soon die. They are termed
A) iteroparous. B) semelparous. C) dioecious. D) monoecious.
White blood cells fight infection by
A. engulfing infectious pathogens and making antibodies. B. producing antibiotics that will kill bacteria and fungi. C. transporting large amounts of oxygen to the infected area. D. increasing platelet production and forming a plug to seal off the area.