Answer:
i think but not really sure the answer is
an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
hope this helps !!!
The organisms are now called Linnaeus
Answer:During pregnancy, red blood cells from the unborn baby can cross into the mother's blood through the placenta. If the mother is Rh-negative, her immune system treats Rh-positive fetal cells as if they were a foreign substance. The mother's body makes antibodies against the fetal blood cells
Explanation:
1. natural selection acts on existing traits because you can not evolve into something you didn't have
2. original structures evolve to accomplish new function in order to survive
