Question

Read the excerpt from "The Environmental Ethic."

It is fashionable in some quarters to wave aside the small and obscure, the bugs and weeds, forgetting that an obscure moth from Latin America saved Australia’s pastureland from overgrowth by cactus, that the rosy periwinkle provided the cure for Hodgkin’s disease and childhood lymphocytic leukemia, that the bark of the Pacific yew offers hope for victims of ovarian and breast cancer, that a chemical from the saliva of leeches dissolves blood clots during surgery, and so on down a roster already grown long and illustrious despite the limited research addressed to it.

Which of the following claims is best supported by the evidence in this excerpt?
All species are worth protecting because even the small organisms contribute important functions in the environment.
Every effort should be made to protect each bug and weed species regardless of its potential to cause destruction.
All of the species that are now extinct or are becoming extinct could have cured a disease.
Only the species that can be used for medical purposes are worth protecting from extinction.

Answer 1

All of the species that are now extinct or are becoming extinct could have cured a disease is claims is best supported by the evidence in this excerpt.

Describe a claim?

A claim is an assertion that is backed up by writing or an article. The evidence often used to support the allegation increases its credibility.

The text that follows discusses the value of various plant and animal species to the environment. Numerous advantages are offered by everything from a tiny bug to weeds, moths, rosy periwinkles, and the bark of Pacific yew.

Thus, option A is correct.

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