Which statement accurately describes effective scientists? a. They try to publish as much work as possible to seem more important. b. They prefer to deal with questions that involve opinions and personal preferences. c. They are willing to believe in ideas, even if there is no supporting evidence. d. They usually accept what they hear from others. e. They are open to results that change, or even refute, a previously accepted idea.

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 is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants,the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences