LABEL THE FLOWER POSTER

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast

The most effective way to provide children with safety messages is to