Mucin the viscosity of mucus, facilitating the dust and dirt particles
a. increases, trapping
b. decreases, flushing
c. increases, diluting
d. decreases, exocytosis

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

Define adaptation. why do organisms adapt? give an example.