Why is it important for ralph to get the conch now ? is he trying to protect piggy or himself ?

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

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.