Homeostasis is the upkeep of a steady interior condition. In the Biology setting, it implies a consistent body condition, for instance, steady body temperature, blood glucose level. Metabolism alludes to the responses that occur in the body which enables life to be kept up. You need digestion occurring keeping in mind the end goal to look after homeostasis.
Answer:
cheetah golden eagle white throated needletail Swift
Buccinators are muscles in the cheek that help smiling.
Laris oculi are muscles helping close eyelids.
Orbicularis oris is a muscle that helps manipulate the mouth:
the correct answer is D. all the above are muscles that help facial expression.
Zoom in on pic so I can answer for you
A nucleotide
Sugar + Phosphate + Nitrogenous base = Nucleotide