What are three ways for materials to move in and out of cells?

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols