Red blood cells coagulate wounds; white blood cells defend against bacteria.
They are thought to have separate paths of evolutionary development.
They developed along different evolutionary paths.
They had independent evolutionary development.
Bacteria
archaea
Tissue development
Development of a coelom
Population bottlenecks
Reproductive isolation
Niche availability
The reliability of a scientific presentation
offering advice about how best to perform a standard procedure -apex
can be searched quickly for the most relevant observations.
it makes the body create memory cells for future infections
Apex is Mergus serrator and Mergus merganser.
materials and methods