Sentences with phrase «acts as a defense mechanism»

She adds, however, that although there is good evidence that countershading acts as a defense mechanism, there will always be some uncertainty about interpreting countershading in dinosaurs, because we can't present a model Psittacosaurus to their natural predators to see which type of pattern provides the best protection.

Used to evade predators and act as a defense mechanism, it produces light when disturbed, giving out a quick flash of light to surprise the predator.

What weakens the trees against the beetles is that without sufficient water, trees can't produce enough sticky resin that acts as a defense mechanism.

Not exact matches

But the Clean Air Act, which the Obama administration used as the legal mechanism for the plan, mandates that the federal government regulate carbon dioxide emissions because the EPA has already declared it to be a pollutant, said David Goldston, government affairs director for the Natural Resources Defense Council.

Her aim is to understand, at the molecular level, the mechanisms that control communication between the brain, immune system, and blood vessels — with the ultimate goal of designing new therapies that slow, stop, or reverse the progression of a wide range of neurological disorders, such as MS. Recently, Dr. Akassoglou's lab identified how microglia — a type of immune cell that acts as the brain's first line of defense — are activated when fibrinogen enters the brain or spinal cord.

Like all medicinal mushrooms, Tremella is rich with polysaccharides and beta - glucans, which act as immune - modulators and stimulate the body's defense mechanisms.