Kate is arguing with her friend that sardines have higher net production efficiency than blue whales. why do you think that kate is making this statement? a. because sardines are at the top of the food chain, being apex predators, as they feed on blue whales b. because sardines have better ability to assimilate energy and convert it to biomass than the blue whales c. because sardines are warm blooded and blue whales are cold blooded d. because sardines are producers and blue whales are herbivores

What was darwins theory of common decent

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.

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing