Question 4 of 5 If DNA can be described as the instruction book for building an organism,
which phrase best describes a gene?
A. A sentence in the instruction book
B. A single letter in the instruction book
Ο Ο Ο Ο
C. The paper the instruction book is written on
D. A three-letter word in the instruction book
SUBMIT

what's the question?

"a.) well–developed vascular system."

the glands which are associated with each description is given below:

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.