Autotrophs only heterotrophs only
both autotrophs and heterotrophs
transform energy in sunlight
into chemical energy
aut eophs only
utilize chemical energy in organic
molecules as a source of energy
derive energy by consuming
organic matter
produce the pigment chlorophyll
perform a series of reactions
called the Calvin cycle
perform a series of reactions
called the Krebs cycle

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

Construct at least two possible hypotheses for the student’s experiment.

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.