If bacteria are much too small to see, what is one reason why we can see colonies in the Petri dishes that have plenty of food to eat after only a few days?

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.