Planktons are unicellular and multi cellular organisms which
What are planktons? How many types of planktons are there?
Major photosynthetic planktons are
Major photosynthetic planktons are
Which group of organisms are not constituents of a food chain ? (i) Grass, lion, rabbit, wolf (ii) Plankton, man, fish, grasshopper (iii) Wolf, grass, snake, tiger (iv) Frog, snake, eagle, grass, grasshopper
