Question

What is an example of red algae?

Answer 1

Rhodophyta (Red algae)

1. They are multicellular organisms that are mainly found in warmer areas.
2. They are red due to the presence of red pigment, and phycoerythrin in their body.
3. They store food as Floridian starch.
4. Asexual reproduction takes place vegetatively by fragmentation and asexual reproduction takes place by non-motile spores, whereas sexual reproduction takes place by the formation of sex cells.

Example: Gelidium

1. It is slow-growing algae that grow in rich areas with steep slopes and rarely grows in sandy areas.
2. It grows best at 15-20°C and can also grow at high temperatures.
3. Agar-agar is a product of red algae (Gelidium), which is used as a solidifying agent (a component of culture media).
4. It is also used in cosmetics, medicines, and dentistry as a clarifying agent in the wine industry and as a thickening agent in ice creams, and pastries.