Biotic factors.

Biotic factors are made up of components of
1. animate nature.
2. inanimate nature.
3. animate and inanimate nature.
Population is
1. a set of individuals of the same species living in a certain place at a certain time.
2. a set of all young individuals in a certain place at a certain time.
3. a set of all individuals living in the same place at a certain time.
Population characterostics are
1. density and structure.
2. growth and intensity.
3. intensity and migration.
The population density of small animals is
1. large.
2. small.
3. random.
Natality is
1. birth rate.
2. death rate.
3. nature.
Biocenosis is
1. a community.
2. a population.
3. symbiosis.
Relations between populations are not connected with
1. saturation.
2. symbiosis.
3. competition.
Mortality is
1. death rate.
2. nature.
3. birth rate.
Community is
1. a complicated set of individuals of different species of organisms living in a specific place at a certain time.
2. a complicated set of individuals of the same species.
3. a complicated set of individuals of the same species of organisms living in a specific place at a certain time.