These fluctuations may also affect the predators that feed on these prey items, such as wolves, foxes and owls. These predators must either find an alternate source of prey or risk starvation and death. Ecological Succession. When changes to either abiotic or biotic factors affect an entire ecosystem, ecological succession occurs.
A temporary decrease in blood flow to the brain results in unconsciousness, or fainting. Many disorders, some of them serious, can cause this.
Split and merge into it. Answer by Alannahleigh. Confidence votes 374. Supposedly it is an angel's sign to you, they are communicating with you sort of a I'm here to protect and look out for you or 'I'm here to help you. It can also be a sign or communication from someone you love who has died. believe it means they don't want you to worry so they take feather's from there wing's. They don't want to see you sad the rest of their live. It also could stand for being â¦ connected with the loved one. Or there could be a bird in your house are a material that has feathers inside.