Question

what is the relationship between ecological sustainability and treatments for disease? many medicines are derived from plants, so preserving ecosystems makes it harder to find them and to create new treatments. many medicines are created by humans, so preserving ecosystems has no effect on the development of new treatments. many medicines are derived from plants, so preserving ecosystems provides opportunities to find new treatments. many medicines are created by humans, so clearing ecosystems is necessary to build labs and to develop new treatments.

Explanation:

To determine the correct answer, we analyze each option:

• The first option is incorrect because preserving ecosystems actually helps in finding plant - derived medicines, not making it harder.
• The second option is wrong as many medicines are derived from nature (like plants), and ecosystem preservation does impact treatment development.
• The third option is correct. Since many medicines come from plants, maintaining ecosystems allows us to discover new plant - based sources for new treatments.
• The fourth option is incorrect as clearing ecosystems is not necessary for developing new treatments, and many medicines have natural origins.

Answer:

Many medicines are derived from plants, so preserving ecosystems provides opportunities to find new treatments.