It is due to agitation of the heart. This is the result of a blow in the area directly over the heart.
Answer:
Heart attack
Explanation:
Heart attack is the death of a part of heart muscles and severe pain that causes heart constriction having pain in the chest which spread to the left shoulder and down the arm thereby causing the feeling of pressure in the chest.
This is caused when a blood clots blocks blood flow to the heart thereby leading makes the tissue to loss oxygen and die.
The symptom of heart attack are;
pain in the chest, neck, back or arms, fatigue, lightheadedness, abnormal heartbeat and anxiety, nausea.
Treatment ranges from surgery, medication , rehabilitation e.t.c.
Answer:
The correct answer is D. interspecific competition
Explanation:
Niche overlap occurs when two species share a same niche and use the same resource. So niche overlap most frequently leads to competition between these two species called interspecific competition.
So In interspecific competition, the individuals of two different species fight for the same resource present in their niche for their survival. For example, lions and leopard share the same niche because they prey on similar types of animals like deer, wild pigs, etc.
So here niche overlap lead to the competition between these two carnivores. In interspecific competition, one species is more successful than other.
