the answer is the ratio is off
<span>the function of the mucus blanket in the lungs is to filter and moisten the air.</span>
Answer:
It is believed that insects are so successful because they have a protective shell or exoskeleton, they are small, and they can fly. Their small size and ability to fly permits escape from enemies and dispersal to new environments. ... In addition, insects can produce large numbers of offspring relatively quickly.
C they are always found in homologous pairs
