Why do offspring from the same parents usually have a different set of traits

What are genotypes? what are phenotypes?

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.

Where are the strongest jet streams located?