Final answer:
The loss of plant species and habitats will devastate animals and hinder human progress.
Step-by-step explanation:
The author's beliefs about the disappearing species, as stated in the excerpt, can be summarized as follows: the loss of plant species and habitats will devastate animals and hinder human progress. The excerpt mentions that as forests are destroyed, the decline of species will accelerate and extinction rates are already high. This loss of species can have significant consequences, including the destruction of potential biological resources and the loss of important products and amenities.
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