I think the answer is D. Both a and b
- - <span>B. Lamarck is the best to explain this as he studied human physiology. </span>
Food is digested, or broken down, so that the nutrients can be extracted for use by the body as it passes through the digestive system. If food wasn't digested you would not have energy required to run vital chemical reactions and eventually resulting death
The spiders have became resistant to the pesticide.
