<span>The body will lose blood pressure due to the loss of blood.The heart has to work harder causing extra stress and strain on the body.This blood loss can be very dangerous and cause a person to go into shock.</span>
You would be a specialist at the ecosystem level of biology.
The ecosystem has to do with a community consisting of organisms who interact with each other and with their surroundings. So, if this scientists wants to see which species of frogs would win, he would have to observe them at the level of the ecosystem to see their interactions within their community.
Some biomes are good and others are bad it just depends on what the environment looks like but and ex. like... like a lion and zebras. they would not get far in there life if the do not have the recommendations that they need.