Living organisms require nutrients primarily because these substances provide the energy and raw materials necessary to:

A) eliminate the physical necessity for gas exchange with the surrounding environment.

B) convert cellular fluids into non-reactive solid structures that prevent water loss.

C) power vital metabolic activities, sustain biological growth, and repair damaged tissues.

D) substitute entirely for the genetic instructions needed during cellular division.

Which of the following is a fundamental need that all known living organisms require from their environment to survive?

A) Direct sunlight to synthesize cellular energy

B) Atmospheric oxygen gas absorbed through specialized respiratory organs

C) Liquid water to serve as a medium for biochemical reactions

D) Organic nutrients obtained by consuming other living organisms

Biology · Introduction to Biology · Biology · Characteristics of Life

2 Biology practice questions on What living things need to survive. Questions that assess core concepts and understanding.

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