“Population is an auto-regulated system'' was said by
Malthus
Edward
Lamarck
Darwin
The scientist who propounded that population is a group of species
$NFCP$ stands for
$MTP$ is considered safe upto how many weeks of pregnancy?
Housing problems, health problems, pollution problems etc. are created by the
“In the absence of environmental resistance the population grows in geometrical ratio when the food is given in arithmetical ratio''. This is