Answer:
The correct answer is "the bottleneck effect".
Explanation:
The bottleneck effect, also known as a population bottleneck or genetic bottleneck, is defined as sharp reduction of a species population that occurs either by environmental effects or as a consequence of human activities. The dramatical crash the that population of American bison had due to hunting and other problems is an example of a species suffering the bottleneck effect.
Answer:
Troposphere
Explanation:
The troposphere is the lowest layer of the atmosphere.
Coronary arteries are the arteries that branch off the ascending aorta to supply the heart with oxygenated blood. The heart muscle which similar to each further organ or tissue in your body is essential of oxygen-rich blood to stay alive. Blood is delivered to the heart by its own vascular system which is called coronary circulation. The aorta the main blood supplier to the body branches off into two core coronary blood vessels also named arteries. The right coronary artery deliveries blood primarily to the right side of the heart. The right side of the heart is minor because it drives blood only to the lungs and the left coronary artery which outlets into the left anterior down artery and the circumflex artery deliveries blood to the left side of the heart. The left side of the heart is bigger and more well-developed since it drives blood to the rest of the body.
