Which two factors have combined to create the hawaiian island chain?
a. seafloor spreading and uplift
b. plate motion and hot spot volcanism
c. abyssal tectonics and plate separation
d. hydrothermal venting and changes in sea level

1. isogamy 1 organisms with gametes of the same size and shape 2. anisogamy organisms with gametes of different sizes and shapes 3. oogamy 2 organisms with gametes of the same shape but different sizes 4. gonads gamete-producing organs in lower plants 5. gametangia gamete-producing organs in animals