What are phytoplanktons?

True and False Type Questions In water ecosystem the pioneers are phytoplanktons.

Phytoplanktons are:

A list of different organisms in an ecosystem are given below: Phytoplanktons?

Which group of the protistan algae constitutes a major part of phytoplankton of the oceans?

A large number of fish are suddenly found floating dead on a lake. There is no evidence of toixc dumping but you find an aboundance of phytoplanktons. Suggest a reason for the fish kill.

Find out the false (F) statement from the following: All desmids are found in marine habitat but diatoms are found as phytoplankton large in deep lakes.

Fill ups Phytoplanktons are found in…………….while snails and slugs are found in………………. .

Construct a pyramid of biomass starting with phytoplankton. Label its three trophic levels. Is the pyramid upright or inverted? Justify your answer.

Given below is a list of autographs and heterotrophs . With your knowledge about food chain, establish various linkages between the organisms on the principle of eating and being eaten. What is the 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, nympaea, Spirogyra.