Out of the circulatory system, respiratory system, muscular system, skeletal system, and nervous system, which body system do you think is the most important? List 3 reasons why you think so.

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Explain the process that creates the heat of the sun?