Biological mangification occurs in case of

Plasmotomy occurs in case of

Plasmotomy occurs in case of

Plasmotomy occurs in case of

External syngamy occurs in case of

External syngamy occurs in case of

What is meant by biological magnification ? With the help of a food chain, explain how biological magnification of harmful chemicals can occur.

1:2:1 phenotypic and genotypic ratios occur in case of