Answer:
Maintaining homeostasis at each level is key to maintaining the body's overall function.
Explanation:
The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and and the concentration of glucose.
I think It is the bottom one
Answer: It absorbs food from the outside environment.
Answer:
Angiosperms
Explanation:
It states "The flowering plants have a number of uses as food, specifically as grains, sugars, vegetables, fruits, oils, nuts, and spices"
Which is mostly what the question is asking.
Also the other answer choices do not state that they provide vegetables, fruits and cereals as Angiosperms do.
The answer to this is : B, Their roots.