Which of the following correctly describes the impact of an abiotic factor on the population dynamics of an ecosystem? A- Organisms that compete for the same resources will keep each other from over populating.
B- A parasite that invades a host can reproduce and cause a decline in the host species population.
C- Herbivores will not be able to deplete the plants and other resources in an ecosystem due to predation.
D- Seasonal variations in temperature and precipitation can cause some of the individuals in a population to die.

answer: dna

because all cells have genes

answer;

-vessels in the chest

the diagnosis of angina pectoris literally means "vessels in the chest"

explanation;

-angina pectoris is the medical term for chest pain or discomfort due to coronary heart disease.it is the chest pain due to an inadequate supply of oxygen to the heart muscle. the pain is typically severe and crushing, and it is characterized by a feeling of pressure and suffocation just behind the breastbone.

agina pectoris is caused by reduced blood flow to your heart muscle. the blood carries oxygen, which the heart muscle needs to survive. when the heart muscle isn't getting enough oxygen, it causes a condition called ischemia