Three billion years ago, earth's atmosphere was very different. it included the gases methane and ammonia. if scientists found a new planet outside our solar system that had an atmosphere similar to earth's three billion years ago, what kingdom's organisms would you expect the new planet's organisms to resemble?

How had the study of mitosis affected scientists knowledge of cancer

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43

How do ratio scale and diagrammatic scale work