单项选择题

DISTENSION:

A． sharpness
B． mollification
C． compaction
D． discharge
E． implosion
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单项选择题
According to the passage, inbreeding affects all of the following aspects of Glanville fritillary butterfly biology EXCEPT
A． Habitat loss
B． Incubation success
C． Physical being of larvae
D． Life span of adults
E． Rate of maturation
单项选择题
If the phenomenon extinction risk increased significantly with decreasing heterozygosity (lines 9-10) agrees with the proposed effect on extinction, the passage assumes
A． heterozygosity is an indicator of increasing inbreeding depression in assimilated metapopulations
B． heterozygosity is unrelated to the degree of inbreeding depression in assimilated metapopulations
C． heterozygosity is an indicator of decreasing inbreeding depression in isolated metapopulations
D． heterozygosity is an indicator of increasing inbreeding depression in isolated metapopulations
E． heterozygosity is an indicator of decreasing inbreeding depression in assimilated metapopulations
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