<span>Im pretty sure the answer is B) Pupil, lens, retina, optic nerve
hope this helps :)</span>
Saline solutions have the same or close to the same amount of salt as our blood does, so we get the amount of salt needed for our bodies. During blood loss, you lose the salt you need, so they're basically adding it back in with the saline solution, making your electrolyte balance go back to normal level. It also gives us the right amount of water to keep us hydrated.
The virus' DNA becomes a part of the host cell's DNA, and every time the host cell copies and divides, it also copies viral DNA. The viral DNA may remain inactive (a provirus) for a long time, but it can become active when it frees itself from the host's chromosome, which triggers the lytic cycle.
I forget which one is the virus' DNA
It would be generation 5 in which there will be almost 100% non-singing females if there are no changes in the birds’ environment and interactions
It’s called a branch point, represents where a single lineage evolved into a distinct new one.
