The structure of a community is the ratio of groups of organisms according to any characteristic or according to the nature of their distribution in the environment. One
Populations in nature do not live in isolation. They interact with populations of other species, forming together with them integral systems of an even higher supraspecific level of
The complex of properties of a population aimed at increasing the probability of survival and leaving offspring is called an ecological strategy of survival. Ecological strategies are very
The triggering of regulatory mechanisms can cause fluctuations in the number of populations. Three main types of population dynamics can be distinguished: stable, cyclical, and abrupt (explosive). The
The factors causing changes in numbers can be divided into two groups: population density independent (modifying) factors and population density-dependent (regulatory) factors. Predominantly abiotic factors are considered independent
Survival curves are used to monitor the dynamics of mortality in different age groups. Survival curves are a way to graphically represent the dependence of the proportion of
Population dynamics is one of the most significant biological and ecological phenomena. We can say that the life of a population is manifested in its dynamics. Populations could
The age structure of a population is determined by the number of organisms of a particular age in the population. The ratio of the number of different age
The population has “biological characteristics” that it shares with all its constituent organisms (it also grows, differentiates, that is, it is subdivided into smaller subgroups, changes along with
A population is a collection of organisms of one species, capable of self-reproduction, more or less isolated in space and time from other populations of the same species.
