D. Darwin's theory of natural selection shows that organisms evolve based on which one's survive the best and thrive.
ATP molecule functions as the power source for a cell. Sometimes it is compared to a battery, which is a pretty fair analogy, but it is more mobile and flexible in its functions than a battery is.
Answer:
Digestive, excretory, circulatory, lymphatic, respiratory
Explanation:
digestive is your stomach
excretory is your colon
circulatory is your heart
lymphatic is your white blood cells and others
respiratory is your lungs
I'll go more in-depth in the comments but I think you need answers now
If you have just eaten, your body will secrete insulin. Insulin is the hormone that allows glucose to enter cells. That way they will have the proper energy for their normal functions.
If you have not eaten for a while, your body is running out of glucose to feed the cells so it needs to secrete another hormone called glucagon. This hormone is the complete opposite of insulin because it breaks down glycogen, proteins and fats into glucose.
It is called a herd
Im just writing this for the character limit
