Ancestors of the galapagos finches had two different types of seeds to eat on some islands. some seeds were very small, and required small beaks to handle, other seeds were very large and required large strong beaks to crack. this led to among the galapagos finches. a. directional selectionb. stabilizing selectionc. disruptive selectiond. artificial selectione. sexual selection

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.