Since 2014 the Bakken Formation has produced around 1 million barrels of crude oil each day. Why didn't the U. S. tap into the Bakken formation before the 2000s?

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

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.

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function