The superior and inferior vena cava return blood from the body to which chamber of the heart?
a. left atrium
b. left ventricle
c. right atrium
d. right ventricle

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

Photosynthesis converts solar energy into what type of energy?

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy?