As habitats are fragmented and consequently shrinking in size, a major problem is
A. introduced species.
B. overexploitation.
C. the edge effect.
D. lack of corridors.
Answer: C
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Four of the five answers listed below pass through the atmosphere during their cycling. Select the exception
a. carbon b. oxygen c. nitrogen d. phosphorus e. water
The existence of a separate set of enzymes and DNA molecules in mitochondria and chloroplasts
provide support for serial endosymbiosis. __________________Indicate whether the statement is true or false.
Yeast is used to produce beer and wine but can also make bread rise. All of these processes involve the production of alcohol. Explain why you can eat bread and not get drunk
A) The heat of cooking bakes out the alcohol. B) The amount of alcohol produced is too small to be noticeable. C) The bread-making process produces ethyl alcohol, not isopropyl alcohol. D) The bread-making process produces isopropyl alcohol, not ethyl alcohol.
Sodium-potassium pump regulates efflux of (i) ________, and influx of (ii) _______ by (iii) ____________.
a) (i) three Na+, (ii) two K+, (iii) ATP hydrolysis b) (i) two K+, (ii) three Na+, (iii) ATP hydrolysis c) (i) three Na+, (ii) two K+, (iii) generating action potential d) (i) two K+, (ii) three Na+, (iii) generating action potential