Genetic data suggests many frog species that live in Madagascar and India share a common ancestor that lived on the India-Madagascar landmass is best described by
(b)Geographic separation led to divergence in the gene pool, resulting in a new species
Explanation:
- The island's geography, geology, and climate have provided opportunities for species to evolve and diversify in isolation. Its species are a mix of those that have been living and evolving there for many tens of millions of years and those that arrived more recently and subsequently diversified.
- Some of Madagascar's present species are there because they "rode there" on the continents and were left on the island when it separated from India.
Damage to heart valves can lead to heart murmur.
Explanation:
Heart murmur refers to the sound of blood flow. The sound of flowing blood in the heart is usually not heard.
The heart murmurs can result due to two reasons that is either a damaged valve or any condition that causes the heart to beat at a faster rate.
The types of damage to the heart valve that may lead to heart murmurs are:
Mitral valve prolapse, Mitral valve or aortic stenosis and Mitral or aortic sclerosis.
Sometimes, the murmurs do not signify a serious condition but under certain condition they may indicate the risk of heart failure.
Answer:
Jupiter and Saturn have 53 moons
