Emma looks under a microscope and studies slides prepared from both living organisms and non-living things. She looks at three prepared slides. How would she describe the characteristics of organisms?

A. prokaryotes, not made of cells, fibrous

B. prokaryotes, made of one or more cells, nucleus that holds DNA

C. eukaryotes, made of one or more cells, nucleus that holds DNA

D. eukaryotes, made of cells, fibrous

Use the drop-down menus to match each part of the scenario to the correct scientific practice. akira records the speed of a reaction without a catalyst and then with a catalyst. akira creates a reaction without a catalyst and repeats the reaction with a catalyst. akira turns in a written lab report to his science teacher. akira wonders, "will adding a catalyst speed up this chemical reaction? " akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowers the activation energy needed to get the reaction started.