Looking at the figure above, what can be said about edge effects?
A) Biomass declines along edges of forest fragments.
B) Biomass increases along the edges of forest fragments.
C) Species diversity decreases along the edges of forest fragments.
D) Fragmentation does not affect biomass.
Answer: A
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Which of the following would increase the rate of oxygen diffusion from the air into the body cells of a flatworm?
A. increasing the surface area of the body B. increasing the partial pressure of oxygen inside of the cells C. increasing the thickness of the body wall D. increasing the surface area of the body and the partial pressure of oxygen inside the cells E. All of the answer options are correct.
Most cases of pharyngitis occur during the colder months and are primarily caused by:
a. S. pyogenes. b. viruses. c. Streptococcus pneumoniae. d. Staphylococcus aureus.
The ability of organisms to maintain consistent internal conditions within a narrow range is called _____.
a. chemotaxis b. heterotrophism c. homeostasis d. regulation
The panting responses that are observed in overheated birds and mammals dissipate excess heat by _____
A) countercurrent exchange B) acclimation C) vasoconstriction D) evaporation