Warm-up routines increase body temperature. what other effect do they have on the body?
they increase blood flow.
they decrease blood flow.
they increase hydration levels.
they decrease hydration levels.

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

What best describes the structure of the declaration of independence?