Changes
From Karnataka Open Educational Resources
339 bytes added
, 13:56, 10 August 2014
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| ===Notes for teachers=== | | ===Notes for teachers=== |
| + | #'''In birds fore limbs are modified into wing,body is covered with feathers,beak protudes out of oral cavity''' |
| + | #'''They are the first evolved eurythermal vertebrates,have four chambered heart facilitating two way blood circulation to seperate oxygenated blood and deoxygenated blood''' |
| + | #'''Birds have special sound box called syrinx''' |
| + | |
| ===Activities=== | | ===Activities=== |
| #Activity No #1 '''page_name_concept_name_activity1''' | | #Activity No #1 '''page_name_concept_name_activity1''' |