In which group of organisms the cell walls form two thin overlapping shells which fit together

In which group of organisms the cell calls form two thin overlapping shells which fit to- gether?

Group of organisms in which cell wall froms two thin overlapping shells are

Fill in the blanks In diatoms the cell walls form two thin overlapping shell which fit together as in .......

A student observed a water drop under microscope. He found a photosynthetic organism. Its cell wall forms two overlapping shells which fit together as in soap box. Which of the following organisms is is

A student observed a water drop under microscope. He found a photosynthetic organism. Its cell wall forms two overlapping shells which fit together as in soap box. Which of the following organisms is is

A student observed a water drop under microscope. He found a photosynthetic organism. Its cell wall forms two overlapping shells which fit together as in soap box. Which of the following organisms is is

How many statements are correct with respect to chrysophytes ? (i) They are found in the marine environment , freshwater organisms are very rare. (ii) In diatoms , the cell wall form two thick overlapping shells which fit together as in a soapbox . (iii) The cell membranes of diatoms are embedded with silica and accumulation of them over billions of years is referred to as "diatomaceous earth " (iv) Diatoms are the chief " Producers" In the oceans .

How many statements are correct with respect to chrysophytes ? (i) They are found in the marine environment , freshwater organisms are very rare. (ii) In diatoms , the cell wall form two thick overlapping shells which fit together as in a soapbox . (iii) The cell membranes of diatoms are embedded with silica and accumulation of them over billions of years is referred to as "diatomaceous earth " (iv) Diatoms are the chief " Producers" In the oceans .