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 disappearing species, based on the excerpt, can be summarized as follows: The loss of plant species and habitats will devastate animals and hinder human progress. The passage mentions that as forests are destroyed, the decline of species will accelerate, and extinction rates are already higher than before the arrival of humans. Additionally, the author emphasizes that the disappearance of species will result in the loss of scientific information, biological wealth, and potential products and amenities.
Learn more about disappearing species