Patterns of indicate how age at death influences population size:
a. death rate
b. age structure --b is not it i know that
c. survivorship
d. logistic growth

The answer is letter A.

Death rate refers to the measure of the number of deaths in a particular population. It is scaled to the size of the population per unit of time. Which generally includes death from specific age groups and causes. It is typically expressed in units of death per 1,000 individuals in a year. It could also indicate how age at death influences population size or otherwise known as “morbidity or mortality rate.” The unit may also change if certain diseases are taken into consideration for the count.

The answer will be d

Succulents are the type of plant. like a cactus.