During exercise, O2 is depleted in muscle tissue. What effect would this have on internal respiration?
A) There would be increased diffusion of O2 out of the blood and into the muscle tissue.
B) There would be decreased diffusion of O2 out of the blood and into the muscle tissue.
C) There would be increased diffusion of O2 out of the blood and into the lungs.
D) There would be decreased diffusion of O2 out of the blood and into the muscle tissue and a decrease in heart rate to bring more O2 to the exercising muscle.
A
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Which tissue layer is not associated with the stomach?
a. Mucosa b. Longitudinal muscle c. Circular muscle d. Oblique muscle e. All are associated with the stomach.
What is the correct sequence of events during the life cycle of a moss?a. Gametes are produced in the archegonia and antheridia.b. Spores are released.c. The zygote develops within the archegonium.d. The mature sporophyte develops from the gametophyte and produces spores.e. Flagellated sperm swim towards the egg for fertilization.f. Spore germinates into the protonema.
A. f - e - b - d - a - c B. a - b - d - c - b - f C. a - e - c - d - b - f D. a - e - f - d - b - c
Describe how continental drift resulting in Australia being isolated in the South Pacific contributed to
biological species evolution. What will be an ideal response?
When conditions are right, many new species may develop in a relatively short period of time from a single ancestor. Such short bursts of evolutionary activity are called
A) gene flow. B) adaptive radiation. C) the founder effect. D) population explosion. E) genetic drift.