When scientists have no option but to use data based on the current degraded state of an ecosystem rather than historical ecological abundance, they are facing the problem of ________.
A) a shifting baseline
B) a historical baseline
C) a changing baseline
D) a changing state
Correct Answer:
Verified
Q20: This sequence is an example of a
Q21: By 2100, nearly _ of the world's
Q22: Global research indicates that virtually no region
Q23: Bycatch refers to _.
A) fish caught but
Q24: The Big Old Fat Fecund Female Fish
Q26: While _ is a common practice in
Q27: _ has had the most negative impact
Q28: Methods designed to reduce bycatch include _.
A)
Q29: _ caused damage to the ancient sponge
Q30: Endocrine disrupters have been found _.
A) to
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