What specialized cells and organs are necessary in multi cellular organisms because in these organisms

a) fewer cells are in direct contact with the external environment.

b) all cells are in direct contact with the external environment.

c) a body type evolved that relied on fewer body cells.

d) a body type cell evolved that requires larger sized cells.

What is the 77 element on the periodtic table

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?