_is an important reason to preserve biodiversity. one example is the $100 billion generated in 2000 from global sales of medicines developed from marine animals.

Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms.

Explanation:

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answer; a biased sample;