How can a species of bacteria sensitive to the antibiotic penicillin become penicillin resistant? Secreted enzymes
Endospores
Internal cell division
Conjugation
Requires a specific final electron acceptor

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

How do you date a sample of rock that you suspect as being one of the earliest on earth

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood