The answer is option B "declining number and variety of the species in an area." Biodiversity is a variety of life for example a ecosystem has many species which makes it a biodiversity. Now a loss of a biodiversity would be loosing a huge amount of species in that area or ecosystem which would mean the answer is option B.
Hope this helps.
Answer:
A : "the introduction of new predators to the insects’ environment"
Explanation:
I took the test and got it right :D
Answer:
recombinat DNA , epidemiology,
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