How is a food web a limited model in regards to showing energy transfer?

Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?