The original source of the matter in food

Sunlight? im not sure what the question you are trying to answer is

Explanation:

I think your asking what is the original source of the matter in food

Explanation:

if so The Sun is the major source of energy for organisms and the ecosystems of which they are a part. 

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

the answer is d p: cell, q: organ, r: organ system, s: tissue