A student poured a solution of bromothymol blue indicator into one test tubes. Then, he placed an aquatic plant in it, as shown below. He placed a stopper on the test tube and placed it in a sunny window for 24 hours. After one day, he then placed the test tube in the dark for 24 hours. Bromothymol blue turns from blue to yellow in the presence of CO2.

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Approximately what wavelength of light is best absorbed by chlorophyll a