Because it can induce osmosis.
The best solution for intravenous in most condition is isotonic because it will not upset the oncotic pressure of the blood. If you use hypertonic or hypotonic solution, the oncotic pressure can be altered and causing osmosis happen to the cell. The osmosis can cause injury to the cell as its water content will be changed.
The first one is the 3rd option and the 2nd one is also the 3rd option
It is rare for soft tissue to become a fossil because the soft parts can be eaten by other animals. Hope this helps!
C raccoons because they eat a wide variety because they can adapt more easily than other populations
Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits. A single gene is responsible for pigmentation and hearing.
