Evaluate Basic External Animal Anatomy and Morphology - AgriSETA
Evaluate Basic External Animal Anatomy and Morphology - AgriSETA
Evaluate Basic External Animal Anatomy and Morphology - AgriSETA
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<strong>Evaluate</strong> <strong>Basic</strong> <strong>External</strong> <strong>Animal</strong> <strong>Anatomy</strong> <strong>and</strong> <strong>Morphology</strong>Primary Agriculture NQF Level 1 Unit St<strong>and</strong>ard No: 11617310Scales:Small bony plates that are arranged like the tiles of a roof.Mucous gl<strong>and</strong>s: Gl<strong>and</strong>s among the scales that secrete a slippery substance called mucous.Gill slits:Gills:Openings at the side of the head.Organ that allows the fish to absorb oxygen from water, like lungs inmammals. Body divisions of fishThere are a lot of variations in the shape <strong>and</strong> size of fish. Even with thesevariations in mind, the body of a fish can be divided into a head, trunk <strong>and</strong>tail. No definite division can be seen between these parts. The headextends to the external gill slits; the tail begins just behind the externalcloacae opening.Illustration of a fishGill slit Head Dorsal fin Tail finNostrilsEyeMouthThe trunkPectoral fins Pelvic fin Anal fin• The headThe external parts on the head are the following:oThe mouthThe mouth is situated on the front part of the head. Two movablelips can close the mouth.Version: 01 Version Date: July 2006