Which of the following statements is an important consequence of the first law of thermodynamics for a living organism? the energy content of an organism is constant. organisms grow by converting energy into organic matter. an organism ultimately must obtain all of the necessary energy for life from its environment. the entropy of an organism decreases with time as the organism grows in complexity.

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.