Students were asked to draw a model of an organelle and organ system that had a similar function. Below are the models that were
drawn.

What is the similar function that they share?

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.

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

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?