Question

2) Write short note on​

Answer 1

Answer:

1) An ecological pyramid is a graphical representation of the relationship between the different living organisms at different trophic levels. ... It can be observed that these pyramids are in the shape of actual pyramids with the base being the broadest, which is covered by the lowest trophic level, i.e., producers.

2) Cardiopulmonary resuscitation (CPR) is an emergency procedure that combines chest compressions often with artificial ventilation in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.