In your opinion,
which cell organelle
do you think is the
most important?
Explain.

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

What two fields of study provide the core information that is used to classify organisms?

Complete the possible outcomes for each generation in the pedigree chartaa aa aa