What are 2 characteristics of a good hypothesis

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Organ systems are composed of organs, organs are composed of tissues, and tissues are composed of cells. this pattern is organized into levels. organization based on levels can be found in what