In this article we will discuss about the external morphology of sargassum. 1. Thallus is large, macroscopic and brown-coloured. 2. Plant body is sporophytic and looks like an angiospermic herb. 3. Thallus is differentiated into a basal holdfast, "stem"-like main axis, and primary and secondary laterals. Some of these laterals change into "leaf"- like structures (Figs. 38, 39). 4. Holdfast [...]
In this article we will discuss about:- 1. Characters of Brown Algae 2. Types of Common Brown Algae 3. Economic Importance. Characters of Brown Algae: Brown algae are eukaryotic marine algae which possess chlorophyll a, chlorophyll c, abundant fucoxanthin, phycocolloid algin and reserve food in the form of laminarin. 1. Brown algae comprise about 2000 species. 2. Majority of the [...]
In this article we will discuss about:- 1. Characters of Green Algae 2. Common Types of Green Algae 3. Economic Importance 4. Green Algae as Ancestors of Land Plants. Characters of Green Algae: Green algae are defined as a group of eukaryotic algae which resemble land plants in having cellulosic cell wall, starch as food reserve and both chlorophyll a [...]