Answer:
Their ears help them adapt
Explanation:
The Jackrabbit have large ears that help them to allow their body to maintain its internal temperature(Thermoregulation)
Answer:
Farming is not readily available due to dense vegetation.
Explanation:
Statement is true. the "competition over production variation explains it all
Answer: Different chambers of the heart perform different functions.
Explanation:
The human heart has four chambers the two atria as well as two ventricles. The function of the lower chambers of the heart is to pump out blood. The atria or upper chambers receive blood. The right atrium obtains blood from the superior vena cava then the blood moves towards the right ventricle where the deoxygenated blood is pumped out to the lungs. From the left ventricles the blood is pumped to all the parts of the body.