Which of the following contain both chlorophyll a and chlorophyll b?
A. Green sulfur bacteria
B. Purple sulfur bacteria
C. Prochloron
D. Cyanobacteria
Answer: C
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Which disease is caused by the inhalation of fungal spores?
a. Ringworm b. Athlete's foot c. Histoplasmosis d. Ergotism e. Chestnut blight
Some plants are able to attract beneficial insects that act as predators on the herbivores of that plant
Indicate whether the statement is true or false
What does sampling error refer to?
A) the difficulty in accurately measuring results that are incalculable B) the differences between a group of experimental subjects and the population as a whole C) the experimental results that do not support the hypothesis being tested D) the intentional biases on the part of researchers
The evolution of aerobic respiration ____ both oxygen and carbon dioxide levels in the biosphere
a. mutated b. stabilized c. increased d. decreased e. eliminated