give the general characters of algae with two examples.

Thalloid plant body

•  In Eichler’s system of classification, algae are placed in the Division Thallophyta along with Fungi and Lichens.
•   Algae are autotrophs (synthesize food using light energy)

•   Algae differ from fungi in:

⊕. Presence of photosynthetic pigment – chlorophyll
⊕. Mode of nutrition (autotrophs)

•   Majority of algae are in aquatic habitat (fresh water or marine), some algae are terrestrial also
• Algae are present in all parts of the world including Arctic and Antarctic regions (universal occurrence)
• Sex organs are unicellular or multicellular
• Examples:  Macrocystis pyrifera