Question

the cycles of matter
assignment active
identifying the role of chemical substances in organisms
a is a chemical substance that organisms require to live.

Explanation:

Identify the core scientific term

The sentence describes a chemical substance that living organisms must obtain from their environment to sustain life, grow, and reproduce.

Match with ecological vocabulary

In environmental science and biology, particularly within the context of "The Cycles of Matter," such a vital chemical substance is defined as a nutrient.

Answer:

A <blank>nutrient</blank> is a chemical substance that organisms require to live.