Suppose a person uses a microscope to look at a cell from the leaf of a tree. Which structure would they see that would not be found in a cell from a fingernail?

ribosomes

chloroplasts

cilia

mitochondria

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food