Which phrase best summarizes the function of the endocrine system? A use of hormones to regulate body processes
B. disposal of dissolved waste molecules
C. creation of the force that enables the body to move
D. movement of substances to and from cells where they are needed or produced

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

How can you approximate the number of calories required to keep you in energy balance?

When analyzing tree rings, what do scientists assume a thin ring indicates?