Someone give me a sentence for fluid mosaic model.

The fluid mosaic model refers to the theories surrounding the the way in which cell membranes are structures. According to the Dluid Mosain model, cell membranes are composed of phospholipid bilayers joined together. The word 'fluid' in its title refers to the fact that some parts of the membrane are able to move around freely.

Predator instincts is what causes it

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.