What statement most completely describes the primary role of the cell in a multicellular organism?
a. the collection of organelles interact with the environment to protect against environmental contaminants.
b. the internal structures provide shape and support to a variety of living organisms-both unicellular and multicellular.
c. they scientist classify all living organisms by the types of cells they are made of.
d. the combination of chemical functions and genetic material enable the cell and the organism to live, grow, and reproduce.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

not always but somethings can be reproduced in a laboratory.

answerconditioned response;

the correct answers are;

a. the rock was made from more than one type of material.

e. layers of hot liquids in the rock cooled and solidified at different temperatures.

these are the two options that are related to the statement given above.