I think it is repeatable, testable, observable
Microbiology studies organisms too small to be seen with the naked eye
So white blood cell’s(WBCs for short) main job is to fight infections.
They do this by swallowing the infection.
You see,WBCs do not have a permanent shape.this means that they enlarge and decrease size of parts of their body.So they grow two long arm like structures called pseudopodia which swallow the infection.(pseudopodia means false feet).
You can see the process in the photo I attached from google
False, because nucleotides are what make up a persons DNA so each person has its own unique order.
A. Ancestors of whales may once have been able to walk.