Why Is It So Difficult to Estimate How Many Species

question 49

Multiple Choice

Why is it so difficult to estimate how many species of insects there are on the Earth?

• A) There is no central repository for information on new species on Earth.
• B) New species continue to be discovered and other species go extinct.
• C) Different methods of estimating numbers yield widely varied results.
• D) All of these are valid reasons.
• E) No estimate is necessary because a good approximation of the number of insect species is sufficient.

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Definitions:

Medical Researchers

Professionals who conduct studies and experiments to advance knowledge in medicine, aiming to improve health outcomes and develop new treatments.

Ethically

In a manner that is morally right, adhering to accepted principles of right and wrong governing the conduct of a person or the members of a profession.

Harvesting Stem Cells

The process of collecting stem cells for research or medical treatment, which may involve extraction from embryos, bone marrow, or other sources.