While performing online research on bacteria, Emilie found that some bacteria survive even in hydrothermal vents that can be traced back to early common ancestors. Which bacteria are these?

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.