Which of the following elements is/are found in all living things? carbon phosphorus all of the above sulfur nitrogen

According to this food web which of the following would be considered primary consumers

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

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.