Use the drop-down menus to complete the statements.
Each organism in a population produces more offspring than can survive. This is called . In order for natural selection to occur, populations must have . When the environment changes, nature selects favorable . Over time, these in a population.

answer biotechnology;

potentially fatal issues such as heart attacks and strokes

explanation:

the ems is the abbreviation for the emergency medical services. it is a service provided by a group of medical professionals specialised doctors and other healthcare staff.

any one can call 911 in case of any medical emergency and a group of health care professional will come and give the treatment required. every day the ems staff receive many phone call, which are related to different types of medical emergencies, out of which 25-28% are exclusively related to the respiratory issues.

so, the correct answer is 25-28%.