Which of the following structures is not found in bryophytes?
a cellulose cell wall
chloroplast
sporangium
root

What is the primary goal of human communities?

Aplant may open end close its stomata to prevent excess water loss and maintain

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.