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:
I think so because tigers are very intellectual creatures in which could learn to adapt to new environments.
Earth....the planet we live on....we depend on this planet a lot more then u know....earth has everything to do with evolution.....evolution is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.....hope this helps
Answer:
Metaphase!
Explanation:
During metaphase, the sister chromatids line up where they will eventually be pulled apart during anaphase.
Answer:
Through evolution, periwinkle populations with a history of predation by crabs have become less vulnerable to crab predation.
Explanation:
