Which statement is true about crossing over of genes? a. crossing over does not occur between genes that are far apart from each other on a chromosome. b. frequency of crossing over is related to the distance between linked genes. c. genes that are close to each other frequently cross over.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

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.