Bollo notes that the lungs look like an upside-down tree. Many things in nature, from broccoli to blood vessels, look like trees. Why do you think this shape is so commonly found?

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

All organisms contribute some water to the water cycle by conducting

How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km