A specialization of the stomach that aids in grinding for animals that lack teeth is the .

a. esophagus
b. cloaca
c. gizzard
d. crop
e. rumen

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

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

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.