A scientist suspects that food in an ecosystem may have been contaminated by radioactive nitrogen over a period of several months.Which of the following should be isolated from mammals living in the ecosystem and examined for radioactivity in order to test the hypothesis?

Question

Quizplus · Accepted Answer

Hair incorporates nitrogen as it grows, reflecting the diet and environment of the mammal over time. If the food source was contaminated with radioactive nitrogen, it would be integrated into the hair's structure, making it a suitable indicator for testing the hypothesis.

A Scientist Suspects That Food in an Ecosystem May Have