Answer:
The answer is a) allopatric speciation.
Explanation:
Allopatric speciation happens when a geographical or physical barrier is introduced in a population. After this, the reproductive isolation, genetic recombination and also random mutations can promote the speciation process, where at the end, there will be two separate species.
The given case describes the situation of emotional arousal.
The emotional arousal is the state, in which the alertness of the body increases due to the increase in the emotions.
In this case, the death of the woman's aunt, leaves a emotional remark to her. As she knows that smoking causes lung cancer, she feels very emotional and quits smoking.
The third type of plate boundary occurs where tectonic plates slide horizontally past each other. This is known as a transform plate boundary. As the plates rub against each other, huge stresses can cause portions of the rock to break, resulting in earthquakes. Places where these breaks occur are called faults.
Answer:
The smallest level of classification is d.Phylum
<span>These organisms protect themselves from being seen from above or below with countershading. Countershading is when the top part of an animal's body is dark, and lighter underneath. This is one way some animals can protect themselves from predators. Countershading is also called Thayer's Law.</span>