prolific = very productive

[English Learner]

English Language Tests, Intermediate level

ESL/EFL Test #885 "Bedbugs!", question 2

These bugs seem to have survived more than a few thousand years due to a hearty resilience and ......... reproduction.

(a) sluggish
(b) prolific
(c) advanced
(d) domestic

English Language Tests, Intermediate level

ESL/EFL Test #885 "Bedbugs!", answer 2

These bugs seem to have survived more than a few thousand years due to a hearty resilience and prolific reproduction.

Correct answer: (b) prolific

Your answer was: correct
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prolific and productive have the same meaning. right?

[Mister Micawber]

Yes, but prolific = very productive.
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Native English teacher at Mister Micawber's