How do cells know how to develop within a multicellular organism

a. they all develop in exactly the same way.

b. they receive instructions in their dna

c. they follow a pattern that comes from outside the cell.

d. they learn as they go along.
wich is right?

Acar traveld with an average speed of 60 miles per hour for 2 hours. how far did it travel

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.