you tell me
The two facial muscles that are circular are the Orbicularis Oculi(around eye), and the Orbicularis Oris(around mouth).
The two kinds of adaptations an organism can have is a behavioral or a physical adaptation. These both help the organism survive.
We have two ears and one mouth.
Yes.
Hollow, insulating fur and webbed feet are two functional adaptations of Polar bears.
stuff your mouth in it and chew and then swallow.
Co-evolution
Their shell also known as the Elytra.
Structural and Behavioral
No you cannot it is impossible to produce two different sounds from your mouth at the same time.
white markings and size
well i am studying this and i think its the penis lol