Algae (Phycology)

Polysiphonia: Thallus Structure, Reproduction, Post Fertilization Changes and Life Cycle

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Polysiphonia Post Fertilization Changes

Polysiphonia Polysiphonia- Systematic Position Division: Rhodophyta Class: Rhodophyceae Order: Ceramiales Family: Ceramiaceae Distribution of Polysiphonia Ø  Polysiphonia is marine red algae belongs to the class Rhodophyceae. Ø  They are abundantly present in the Atlantic Coasts of America. Ø  Polysiphonia platycarpa is present in the Indian coastal regions. Ø  Polysiphonia violacea is an epiphytic alga grown on … Read more

Similarities and Difference between Algae and Fungi

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difference between fungi and algae

Algae vs Fungi Algae and fungi are thallophytic cryptogams of plant Kingdom. Both algae and fungi share many common characteristics and thus they are treated in the same division Thallophyta of Cryptogams according to Eichler’s Classification. Even though they are in same class, thallophyta, they also show some distinct differences particularly in their mode of nutrition, … Read more

Pigments in Algae (Key points) with PPT

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pigments in algae

Algae show great diversity in pigmentation. Many coloured pigments such as green, red, yellow, and blue have been found in marine and freshwater algae. Different groups of algae have different and specific pigment composition. Pigments are usually found in specialized plastids called chromophores in all groups of algae except in the members of Cyanophyceae (blue … Read more

Life Cycle in Algae (Haplontic, Diplontic, Haplodiplontic, Haplobiontic and Haplo-diplobiontic Life Cycles)

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Life Cycle of Algae

Nature is a machine. The family is a machine. The life cycle is like a machine. Ray Dalio What is life cycle? The growth and development consists of a number of distinct morphological and cytological stages. The sequence of these orderly changes is called as LIFE CYCLE. It is the sequence of all different phases … Read more

Algae- General Characters (with PPT)

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Important Characteristics of Algae

“The life of the planet began the long, slow process of modulating and regulating the physical conditions of the planet. The oxygen in today’s atmosphere is almost entirely the result of photosynthetic living, which had its start with the appearance of blue-green algae among the microorganisms” Lewis Thomas, 1984 What are algae? Algae is a … Read more

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