Plants growing on other plants for accomodation and not for food are called :
Parasiter.
Predetors.
Epiphytes.
Xerophytes.
Both the algae and fungi are inter-dependent in :
Rhizobium.
Mycorihiza.
Lichens.
The increase in number of individuals under given environmental conditions is called :
Natality.
Mortality.
Age distribution.
None of these.
The total number of individual present per unit area is called as :
Species density.
Population density.
Population genetics.
Population ecology.
A community that starts the process of succession in a habitat is called :
Biotic community.
Pioners community.
Artificial community.
Abiotic community.
Population Density is expressed as :
D = S/N
D = N/S
D = D/n
S = N/D