Identify the phenomenon in which the members of a species do not interbreed with the members of other species or same species
Match the following by using codes:
$A.$ Vernalization - $1. $ Camerarius
$B.$ Double fertilization - $2.$ Hofmeister
$C.$ Pollination - $3. $ Lysenko
$D.$ Alternation of Generations - $4. $ Nawaschin
The humming bird, hawk and the humming moth illustrate