Horse and a zebra because they are a lot a like to the horse
A) That organisms have changed over time
The menstrual cycle is complex and controlled by many different glands and the hormones that these glands produce.
The four(4) phases of the menstrual cycle are:
(1) menstruation.
(2) the follicular phase.
(3) ovulation .
(4)the luteal phase.
Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS).
During the process of glycolysis and krebs cycle (which
is also known as tricarboxylic acid (TCA) cycle or citric acid cycle), there is
breakdown of large molecules to product smaller molecules and energy including
ATP.
So the answer to this would be:
Glycolysis and Krebs cycle produce the molecules that
shuttle electrons to the electron transport chain