Description : Mention the characteristics of multi-cellular algae.
Last Answer : a) Algae are autotrophic organisms. b) They have green pigment chlorophyll. c) They are major producers in marine ecosystem. d) They are non-vascular plants. e) They have a ... of male and female gametes. Example: Spirogyra, Ulothrix, Batrachospermum, Polysiphonia, Sargassum and Ectocarpus.