What leads to biomagnification?

Which is referred to as biomagnification?

DDT residues are rapidly passed through food chain causing biomagnification because DDT is :

Create an aquatic food chain in a water body into which effluents flow from a pesticide factory. Diagrammatically represent biomagnification in this food chain.

Which of the following causes biomagnification ?

Industrial effluents and domestic sewage seriously affect fresh water bodies. For protecting aquatic life Govt. of India recently declared an animal as National aquatic animal . a. Identify the animal. b. Distinguish biomagnification from eutrophication.

Assertion: DDT concentration is more in fish eating birds than the actual concentration of aquatic system. Reason: This is due to a phenomenon called Biomagnification.

_______ leads to variation.

What are the basic factors of modern synthetic theory that leads to evolution?

Cross pollination leads to the production of _________.