What is different about the outermost boundary in a plant cell compared to a anima cell?

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?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

If a checkpoint detects damaged dna, the checkpoint may