what is ecotype ? and what is metapopulation ?
Answers
Eco type :
a distinct form or race of a plant or animal species occupying a particular habitat.
metapopulation :
A metapopulation is generally considered to consist of several distinct populations together with areas of suitable habitat which are currently unoccupied.
Answer:
In evolutionary ecology, an ecotype,[note 1] sometimes called ecospecies, describes a genetically distinct geographic variety, population or race within a species, which is genotypically adapted to specific environmental conditions.

Four different ecotypes of Physcomitrella patens, stored at the International Moss Stock Center
Typically, though ecotypes exhibit phenotypic differences (such as in morphology or physiology) stemming from environmental heterogeneity, they are capable of interbreeding with other geographically adjacent ecotypes without loss of fertility or vigor.