In pea plants, yellow seeds are dominant and green seeds are recessive. Cross two heterozygous individuals (Yy). Show the genotype and phenotype percentage table.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic