The Great Lakes region has both biotic and abiotic components. Abiotic components include water, temperature, rainfall, and geological features. Biotic components include all of the animal and plant species in the area. The ecosystem of the Great Lakes includes .

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

What does gradualism and punctuated equilibrium have in common

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production