Where are glaciers found? select three options.

a. in the ocean
b. in the tropics
c. at earth’s poles
d. at high latitudes
e. at high altitudes

List two modern organisms that have pentameral symmetry

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes