Calcium is a substance found in vitamins that people take to strengthen their bones and teeth. which plant has been used for a similar purpose? ferns horsetails liverworts club mosses

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

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)