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What is Brown Algae ?
Phaeophyta are commonly known as brown algae; precisely because they are - guess what? - brown in color! They are brown because they contain brown colored pigments, such as fucoxanthin, in addition to green chlorophyll to help in photosynthesis.
Brown algae are among some of the most common seaweeds, and are abundant almost everywhere along the temperate coastal areas of the world. Some of the larger brown algae form underwater kelp "forests," which are actually farmed and harvested for products extracted from their cell walls. The kelps that form these forests, such as Macrocystis shown below, grow rapidly and can reach over 100 meters in length. Like any other forest, the kelp forests, along with their accompanying marine invertebrates, fish, birds and marine mammals, make up unique and interesting ecosystems.
NON-STARCH POLYSACCHARIDES A polysaccharide often termed as complex carbohydrate. Besides starch, a mixture of substances called non starch polysaccharide (NSP), also constitut
What is photoperiodism? Photoperiodism is the biological response shown by some living beings to their daily time of light exposure (photoperiod).
respiration in hydra
1. Effect on general health: Noise pollution increases the rate of heart beat, constriction of blood vessels and blood pressure. Noise also causes anxiety, stres
What are some examples of biological activities in which osmosis plays an important role? Hemolysis (destruction of red blood cells) by entrance of water, the hydric regulation
Crustacea The Crustacea show a great morphological diversity of appendages which may be grouped into three categories, cephalic, thoracic and abdominal. Their appendages are c
LAMPBRUS H CHROMOSOMES Discovered by Ruckert . Lampbrush Chromosomes were seen in Oocytes of several different animals like shark, amphibians, reptiles and birds. (Most
What is Choanoflagellate? Explain in brief. The protozoans which resemble the choanocyte cells found in sponges. They have a collar of microvilli which surround a central flage
What is Photosynthesis ? Photosynthesis is the method by which plants trap radiant energy from the sun and convert the energy into a biochemical form. This biochemical energy
#questionwhy is urea the major nitrogenous excretory product..
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