Energy Flow

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        Energy Flow

   

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Human Eye

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 Human Eye The human eye is a remarkable and complex organ responsible for vision, allowing us to perceive the world around us. It collects and processes light, converting it into electrical signals that are interpreted by the brain as visual images. Here's a detailed description of the eye's anatomy and its main components: Anatomy of the Eye: External Structures: 1. Eyebrows: The eyebrows are located above the eyes and serve to prevent sweat and other particles from falling into the eyes. They also play a role in nonverbal communication and facial expressions. 2. Eyelashes: Eyelashes are situated at the edges of the eyelids and help protect the eyes by sensing and reducing the amount of light, dust, and debris that enters. 3. Eyelids (Palpebrae): The upper and lower eyelids cover and protect the front of the eye. They also help distribute tears over the surface of the eye, keeping it moist and clean. 4. Conjunctiva: A thin, transparent membrane that covers the front...
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Outline classification of fishes by L.S berg upto order with reference to living fresh and marine fishes in India

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Outline classification of fishes by L.S berg upto order with reference to living fresh and marine fishes in India   :- L.S berg ( 1940 ) given the earliest scheme of classification in which having 7 classes of fishes as follows :- Class 1  : Pterichthys Class 2  : Coccostei (Extinct) Class 3  : Acanthodii fishes  Class 4  : Holocephali Class 5  : Diponi (Living) Class 6  : Elasmobranchii Class 7  : Telestomi fishes.                        Subclass 1  : Crossptergyii                       Subclass 2  : Actinopterygii
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Biosystematics ( importance and application)

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              Biosystematics  (importance and application) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies Biosystematics is the classification of organisms based on the study of the genetic evolution of plant and animal populations. It thus, considers the evolutionary history of these organisms and establishes their phylogeny on the totality of various parameters from all fields of studies.  The classification of organisms based on observable traits such as broad morphological characters, is a part of phenetic classification. The identification and arrangement of organisms based on cytological (cellular) characteristics is called cytotaxonomy.
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