Which of the following represents the sedimentary type of nutrient cycle?

Given below is a list of autotrophs and heterotrophs. With your knowledge about food chain,establish various linkages between the organisms on the principle of 'eating and being eaten'. What is this inter-linkage established known as?
Algae,hydrilla,grasshopper,rat,squirrel,crow,maize plant,deer,rabbit,lizard,wolf,snake,peacock,phytoplankton,crustaceans,whale,tiger,lion,sparrow,duck,crane,cockroach,spider,toad,fish,leopard,elephant,goat,nymphae,spirogyra.

The function of the reservoir in a nutrient cycle is to:

In a forest, the clear vertical arrangement of plant growth forms according to their light needs is known as $........$

Which of the following organisms are placed in the third trophic level in an ecosystem?

In an ecosystem,primary consumers are ..............