What are required for natural selection to occur

Harold makes a venn diagram to him compare and contrast mitosis and meiosis. which label belongs in the region marked z? forms diploid cells creates an even number of cells includes two rounds of cell division duplicates body cells

What are the result of when individual components in an organism interact with others to create noval stucture and function called

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.