Carbon, an element essential to life as we know it,
A) is present at all trophic levels.
B) is a stable element and of no ecological concern.
C) is present only at higher trophic levels.
D) is in limited supply on Earth.
E) is being locked permanently into the atmosphere.

Question

Quizplus · Accepted Answer

Carbon is a fundamental component of all living organisms and is present at all trophic levels in the ecosystem, from producers like plants to primary consumers like herbivores, and up to tertiary consumers like carnivores.

Carbon, an Element Essential to Life as We Know It