IX 8. Dr. Mendoza and his team are studying two plates that are far apart from each other. However, these two plates used to be next to each other. Which diagram shows what happened between these plates? a Diagram A: Sand and dirt filled in the gap that was created by the plates moving apart. b Diagram B: Soft, solid rock from underneath the plates rose and hardened, adding solid rock to the edges of both plates, С Diagram C: A new plate from underneath filled in the gap that was created by the plates moving apart d Diagram D: Ocean water filled in the gap that was created by the plates moving apart. Scroll for more ack < 7 8. 9 (10) 11 12 N

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.