How is the process of decomposition related to the carbon cycle?
a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere
b. decomposes take in carbon dioxide and make glucose
c. decomposition is the release of carbon dioxide through the burning of fossil fuels
d. decomposition is the use of carbon dioxide to break down dead organisms, which removes carbon from the soil.

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.