Answer:
C. 200 billion
Explanation:
The milky way galaxy is estimated that there is 200 billion stars
Answer:
Autoregulation
Explanation:
When the activities of a cell, tissue, organ, or system change automatically due to environmental variation, the homeostatic mechanism that operates is called autoregulation.
Autoregulation is a method of controlling the local blood circulation. It is characterized as an organ's inherent capacity to sustain a standard blood flow, given changes in the pressure of the perfusion.
Aerobic respiration occurs in three stages: glycolysis<span>, the </span>Krebs<span>cycle, and </span>electron transport<span>. In </span>glycolysis<span>, glucose is </span>split<span> into two molecules of pyruvate. This </span>results<span> in a net gain of two ATP molecules.</span>
To make amino acids which makes proteins
Answer:
lion and cheetah populations compete for the food source of zebras ,and lions outcome cheetahs