Question

as
chief
The organisms which are known
producers in ocean
(1) Have flagella throughout their life
(2) Are euglenoids
(3) Have silica in their cell wall
(4) Lack asexual reproduction​

Answer 1

Answer:

Phytoplankton are the producers in the ocean. Diatoms are a class of phytoplankton which are known as chief producers in the ocean. The food chain in a marine ecosystem depends on it. Thus, diatoms have left behind a large amount of cell wall deposits in their habitat; this accumulation over billions of years is referred to as ‘diatomaceous earth’. Being gritty this soil is used in polishing, filtration of oils and syrups.

(3) Have silica in their cell wall.

Answer 2

Answer:

Ans:-(3) have silica in their cell wall

Explanation:

the organisms which are chief producers in ocean are diatoms which reproduce asexually.