How can the preservation of biological diversity be justified?Check all that apply.
A. supernatural responsibility
B. economic value
C. exploitative value
D. ethical grounds
E. ecological value
Answer: E
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Class III biological safety cabinets:
a. sterilize the air as it passes over the ma-terial in the cabinet. b. protect the environment from contamina-tion by biological agents by filtering the air as it is exhausted from the cabinet. c. are completely enclosed and have gloves that enable the worker to manipulate the material in the cabinet. d. are often called laminar flow hoods.
The average number of individuals of the same species per unit of surface area at a given time is the
a. population density b. population growth c. population birth rate d. population size e. carrying capacity
The genome of humans is remarkably stable, so much so that there are no cancers known to result from genomic instability
Indicate whether the statement is true or false
Providing maximum surface area is NOT a major structural design feature of
A. capillaries. B. microvilli. C. nephrons. D. arteries.