As you view an organism under a microscope, you notice that it is unicellular, has a cell membrane, cytoplasm, and dna enclosed within a nucelus. which of the following best describes the type of organism that you see? a) prokaryotic b) heterotrophic c) eukaryotic d) photosynthetic

Answer is a) eukaryotic. Eukaryotic organisms have an organized nucleus as well as nuclear envelope, and an area where DNA is stored. They contain organelles like mitochondria, ribosomes, and endoplasmic reticulum to name a few, that makes the organism self-sufficient.

We are checking to see if microorganisms are in the air so we will keep exposure to air as the dependent variable.

A sealed flask with sterilized flask, so it is not exposed to air and it does not have any pre-existing microorganisms.