2. A Petri dish was filled with agar jelly containing starch. Four holes were cut in the jelly. Each hole was filled with the substances shown in the diagram. distilled water A
amylase and acid B
C amylase solution
boiled amylase D

After 30 minutes, iodine solution was poured over the jelly. Which hole has the largest yellow-brown region surrounding it?

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Which sentence best expresses the differing opinions of these two book reviews?

About __ of the mass of the cell is water