What are the characteristics of blue-green algae?
Blue-green algae do not have a membrane bound nucleus. They sustain their lives by carrying out their functions in eukaryotes.
Algae is a plant, therefore it needs light. The photic zone has light, so that is where algae will grow. actually algae are of diffrent types red, brown green and yellow. Green algae and brown algae(stipe and frond) are usually in photic zone however red algae and bluegreen algae also inhabit aphotic zone On account of presence of pigments r-phycocyanin and r-phycoerythrin red algae can also absorb diffused UV light so can also prepare food…
Multicellular algae can form specialized cells which perform one specific task, similar to the way our bodies are broken into different cells for structure (bone), movement (muscle), etc. <a href="http://science.jrank.org/pages/205/Algae.html">Algae - Algae And Their Characteristics, Types Of Algae, Ecological Relationships, Factors Limiting The Productivity Of Algae</a>