When comparing two waves, the wave with the greatest wavelength is the one that has - a the greatest height. b the greatest speed. c the most space between crests. d traveled the longest distance.

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

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

If a grape were placed in a hypertonic solution what would happen and why?